General%20knowledge(GK)/General%20Knowledge(GK)%20MCQS-General%20Science-Elements%20and%20Metals Sample Test,Sample questions

Question:
  Air is a/an

1.compound

2.element

3.electrolyte

4.mixture

Posted Date:-2021-03-07 10:30:36


Question:
  Among the various allotropes of carbon,

1.coke is the hardest, graphite is the softest

2.diamond is the hardest, coke is the softest

3.diamond is the hardest, graphite is the softest

4. diamond is the hardest, lamp black is the softest

Posted Date:-2021-03-07 10:30:36


Question:
  Balloons are filled with

1.nitrogen

2.helium

3.oxygen

4.argon

Posted Date:-2021-03-07 10:30:36


Question:
  Bell metal is an alloy of

1. nickel and copper

2.zinc and copper

3.brass and nickel

4.tin and copper

Posted Date:-2021-03-07 10:30:36


Question:
  From which mineral is radium obtained?

1.Rutile

2.Haematite

3.Limestone

4.Pitchblende

Posted Date:-2021-03-07 10:30:36


Question:
  Heavy water is

1.deuterium oxide

2.ph7

3.rain water

4.tritium oxide

Posted Date:-2021-03-07 10:30:36


Question:
  In fireworks, the green flame is produced because of

1.sodium

2.barium

3.mercury

4.potassium

Posted Date:-2021-03-07 10:30:36


Question:
  In which of the following activities silicon carbide is used?

1.Making cement and glass

2.Disinfecting water of ponds

3.cutting very hard substances

4.Making casts for statues

Posted Date:-2021-03-07 10:30:36


Question:
  Marsh gas is

1.nitrogen

2.ethane

3.methane

4.hydrogen

Posted Date:-2021-03-07 10:30:36


Question:
  Potassium Permanganate is used for purifying drinking water, because

1.it is a sterilising agent

2. it dissolves the impurities of water

3.it is a reducing agent

4. it is an oxidising agent

Posted Date:-2021-03-07 10:30:36


Question:
  Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products?

1.Television

2.Refrigerator

3.Tube light

4.Cooking gas

Posted Date:-2021-03-07 10:30:36


Question:
  Tetraethyl lead is used as

1.pain killer

2.fire extinguisher

3.mosquito repellent

4.petrol additive

Posted Date:-2021-03-07 10:30:36


Question:
  The hardest substance available on earth is

1.Gold

2.Iron

3.Diamond

4.Platinum

Posted Date:-2021-03-07 10:30:36


Question:
  The variety of coal in which the deposit contains recognisable traces of the original plant material is

1.bitumen

2.anthracite

3.lignite

4.peat

Posted Date:-2021-03-07 10:30:36


Question:
 Carbon, diamond and graphite are together called

1.allotropes

2.isomers

3.isomorphs

4.isotopes

Posted Date:-2021-03-07 10:30:36


Question:
 Non stick cooking utensils are coated with

1.Teflon

2.PVC

3.black paint

4.polystyrene

Posted Date:-2021-03-07 10:30:36


Question:
 Permanent hardness of water may be removed by the addition of

1. sodium carbonate

2.alum

3.potassium permanganate

4.lime

Posted Date:-2021-03-07 10:30:36


Question:
 Sodium metal is kept under

1.petrol

2.alcohol

3.water

4.kerosene

Posted Date:-2021-03-07 10:30:36


Question:
 The gases used in different types of welding would include

1.oxygen and hydrogen

2.oxygen, hydrogen, acetylene and nitrogen

3.oxygen, acetylene and argon

4.oxygen and acetylene

Posted Date:-2021-03-07 10:30:36


Question:
 The main constituents of pearls are

1.calcium oxide and ammonium chloride

2.calcium carbonate and magnesium carbonate

3.aragonite and conchiolin

4.ammonium sulphate and sodium carbonate

Posted Date:-2021-03-07 10:30:36


Question:
 Which of the following is not an isotope of hydrogen?

1.Tritium

2.Deuterium

3.Protium

4.Yttrium

Posted Date:-2021-03-07 10:30:36


Question:
Actinides are the elements with atomic numbers from

1.97 to 104

2.101 to 115

3.89 to 103

4.36 from 43

Posted Date:-2021-03-07 10:30:36


Question:
Amalgams are

1.highly coloured alloys

2.alloys which contain mercury as one of the contents

3.alloys which have great resistance to abrasion

4.alloys which contain carbon

Posted Date:-2021-03-07 10:30:36


Question:
Bromine is a

1. black solid

2. red liquid

3.colourless gas

4.highly inflammable gas

Posted Date:-2021-03-07 10:30:36


Question:
Chemical formula for water is

1.NaAlO2

2.H2O

3.Al2O3

4.CaSiO3

Posted Date:-2021-03-07 10:30:36


Question:
Chlorophyll is a naturally occurring chelate compound in which central metal is

1.copper

2.magnesium

3.iron

4.calcium

Posted Date:-2021-03-07 10:30:36


Question:
Galvanised iron sheets have a coating of

1.lead

2.chromium

3.zinc

4.tin

Posted Date:-2021-03-07 10:30:36


Question:
Brass gets discoloured in air because of the presence of which of the following gases in air?

1.Oxygen

2.Hydrogen sulphide

3.Carbon dioxide

4.Nitrogen

Posted Date:-2021-03-07 10:30:36


Question:
LPG consists of mainly

1.methane, ethane and hexane

2.ethane, hexane and nonane

3.methane, hexane and nonane

4.methane, butane and propane

Posted Date:-2021-03-07 10:30:36


Question:
Monazite is an ore of

1.titanium

2.zirconium

3.iron

4.thorium

Posted Date:-2021-03-07 10:30:36


Question:
Most soluble in water is

1.camphor

2.sulphur

3.common salt

4.sugar

Posted Date:-2021-03-07 10:30:36


Question:
Permanent hardness of water can be removed by adding

1.chlorine

2.washing soda

3.potassium permanganate

4.bleaching powder

Posted Date:-2021-03-07 10:30:36


Question:
Potassium nitrate is used in

1.medicine

2.fertiliser

3.salt

4.glass

Posted Date:-2021-03-07 10:30:36


Question:
Quartz crystals normally used in quartz clocks etc. is chemically

1.silicon dioxide

2.germanium oxide

3.a mixture of germanium oxide and silicon dioxide

4.sodium silicate

Posted Date:-2021-03-07 10:30:36


Question:
Soda water contains

1.carbonic acid

2. sulphuric acid

3.carbon dioxide

4.nitrous acid

Posted Date:-2021-03-07 10:30:36


Question:
The average salinity of sea water is

1.3%

2.4%

3.3%

4.2%

Posted Date:-2021-03-07 10:30:36


Question:
The chemical (ethyl mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of

1.bromine

2.fluorine

3.chlorine

4.sulphur

Posted Date:-2021-03-07 10:30:36


Question:
The element common to all acids is

1.hydrogen

2.carbon

3.sulphur

4.oxygen

Posted Date:-2021-03-07 10:30:36


Question:
The filament of an electric bulb is made of

1.tungsten

2.nichrome

3.graphite

4.iron

Posted Date:-2021-03-07 10:30:36


Question:
The gas usually filled in the electric bulb is

1.nitrogen

2.hydrogen

3.carbon dioxide

4.oxygen

Posted Date:-2021-03-07 10:30:36


Question:
The group of metals Fe, Co, Ni may best called as

1.transition metals

2.main group metals

3.alkali metals

4.rare metals

Posted Date:-2021-03-07 10:30:36


Question:
The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is

1.Argon

2.Xenon

3.Helium

4.Krypton

Posted Date:-2021-03-07 10:30:36


Question:
The most important ore of aluminium is

1.galena

2.calamine

3.calcite

4.bauxite

Posted Date:-2021-03-07 10:30:36


Question:
The property of a substance to absorb moisture from the air on exposure is called

1.osmosis

2.deliquescence

3.efflorescence

4.desiccation

Posted Date:-2021-03-07 10:30:36


Question:
The two elements that are frequently used for making transistors are

1.boron and aluminium

2.silicon and germanium

3.iridium and tungsten

4.niobium and columbium

Posted Date:-2021-03-07 10:30:36


Question:
Washing soda is the common name for

1. Sodium carbonate

2.Calcium bicarbonate

3.Sodium bicarbonate

4.Calcium carbonate

Posted Date:-2021-03-07 10:30:36


Question:
Water is a good solvent of ionic salts because

1. it has a high specific heat

2.it has no colour

3.it has a high dipole moment

4.it has a high boiling point

Posted Date:-2021-03-07 10:30:36


Question:
What is laughing gas?

1.Nitrous Oxide

2.Carbon monoxide

3.Sulphur dioxide

4.Hydrogen peroxide

Posted Date:-2021-03-07 10:30:36


Question:
When an iron nail gets rusted, iron oxide is formed

1.without any change in the weight of the nail

2. with decrease in the weight of the nail

3. with increase in the weight of the nail

4.without any change in colour or weight of the nail

Posted Date:-2021-03-07 10:30:36


Question:
Which metal pollute the air of a big city?

1.Copper

2.Chromium

3.Lead

4.Cadmium

Posted Date:-2021-03-07 10:30:36


Question:
Which of the following are the ingredients of gun metal?

1. Iron, Zinc, Titanium

2. Iron, tin

3. Iron, Brass, Tin

4.Copper, Tin

Posted Date:-2021-03-07 10:30:36


Question:
Which of the following does not contain a coinage metal?

1.Silver and Gold

2.Zinc and Gold

3. Copper and Silver

4.Copper and Gold

Posted Date:-2021-03-07 10:30:36


Question:
Which of the following is a non metal that remains liquid at room temperature?

1.Phosphorous

2.Bromine

3.Chlorine

4.Helium

Posted Date:-2021-03-07 10:30:36


Question:
Which of the following is an element?

1.Ruby

2.Sapphire

3.Emerald

4.Diamond

Posted Date:-2021-03-07 10:30:36


Question:
Which of the following is in liquid form at room temperature?

1.Lithium

2.Sodium

3.Francium

4.Cerium

Posted Date:-2021-03-07 10:30:36


Question:
Which of the following is the lightest metal?

1.Mercury

2.Lithium

3.Lead

4.Silver

Posted Date:-2021-03-07 10:30:36


Question:
Which of the following is used as a lubricant?

1.Graphite

2.Silica

3.Iron Oxide

4.Diamond

Posted Date:-2021-03-07 10:30:36


Question:
Which of the following is used in pencils?

1.Graphite

2.Silicon

3.Charcoal

4.Phosphorous

Posted Date:-2021-03-07 10:30:36


Question:
Which of the following metals forms an amalgam with other metals?

1.Tin

2.Mercury

3.Lead

4.Zinc

Posted Date:-2021-03-07 10:30:36


Question:
Which of the following metals remain in liquid for under normal conditions?

1.Radium

2.Zinc

3.Uranium

4.Mercury

Posted Date:-2021-03-07 10:30:36


Question:
Which of the following was to be discovered first in the chromospheres of the sun?

1.Krypton

2.Xenon

3.Neon

4.Helium

Posted Date:-2021-03-07 10:30:36


Question:
Which of the gas is not known as green house gas? 

1.Methane

2.Nitrous oxide

3.Carbon dioxide

4.Hydrogen

Posted Date:-2021-03-07 10:30:36


More MCQS

  1. History of the united states
  2. Modern Indian History Part 1
  3. Modern indian history part 4
  4. Modern indian history part 5
  5. covid-19
  6. History
  7. Full name
  8. Birthdate
  9. Date of death
  10. Birth Place
  11. Indian Politiecs
  12. Political Science
  13. Competitive Exams (History) Part 1
  14. Competitive Exams (History) Part 2
  15. Competitive Exams (History) Part 3
  16. Competitive Exams (History) Part 4
  17. Competitive Exams (History) Part 5
  18. Competitive Exams (History) Part 6
  19. Competitive Exams (History) Part 7
  20. Competitive Exams (History) Part 8
  21. General knowledge Competitive Exam 1
  22. General knowledge Competitive Exam 2
  23. General knowledge Competitive Exam 3
  24. General Knowledge Competitive Exam 4
  25. GK MCQ Questions NCERT BOOKS Set -1
  26. GK MCQ Questions NCERT BOOKS Set -2
  27. GK MCQ Questions NCERT BOOKS Set -3
  28. GK MCQ Questions NCERT BOOKS Set -4
  29. GK MCQ Questions NCERT BOOKS Set -5
  30. Current Affairs 2021-Places
  31. Current Affairs 2021-Sports
  32. Current Affairs 2021- Technology
  33. Basic General Knowledge - Section 1
  34. Current Affairs 2021- Art and Culture
  35. Current Affairs 2021- Banking
  36. Current Affairs 2021- Business
  37. Current Affairs 2021- Economy
  38. Basic General Knowledge - Section 2
  39. Basic General Knowledge - Section 3
  40. Basic General Knowledge - Section 4
  41. Basic General Knowledge - Section 5
  42. Basic General Knowledge - Section 6
  43. Basic General Knowledge - Section 7
  44. Basic General Knowledge - Section 8
  45. Basic General Knowledge - Section 9
  46. General Knowledge - Section 1
  47. General Knowledge MCQS - Indian Culture
  48. General Knowledge MCQS - World Organisations
  49. General Knowledge MCQS - Indian History
  50. General Knowledge MCQS - Famous Personalities
  51. Current Affairs 2021-Miscellaneous
  52. Current Affairs 2021-Politics
  53. Current Affairs 2021-Persons
  54. Current Affairs 2021-Important Days
  55. Current Affairs General Knowledge (GK) -States Latest
  56. Current Affairs General Knowledge (GK) -National
  57. Current Affairs General Knowledge (GK) -International
  58. Current Affairs General Knowledge (GK) -Awards and Honours
  59. General Knowledge(GK) MCQS-General Science-Elements and Metals
  60. General Knowledge(GK) MCQS-General Science - Measurements
  61. General Knowledge(GK) MCQS-General Science - Nuclear Science
  62. General Knowledge(GK) MCQS-General Science - Synthetic Materials
  63. General Knowledge(GK) MCQS-General Science - Inventions
  64. INFORMATION AND TECHNOLOHY MCQS-G K Question and Answer
  65. General Science MCQS-GK Questions & Answers
  66. Basic General Knowledge - Section 10
  67. Indian Polity
  68. Chemistry MCQS -General Knowledge
  69. General Awareness MCQ Questions Set 1
  70. General Awareness MCQ Questions Set 2
  71. General Awareness MCQ Questions Set 3
  72. General Awareness MCQ Questions Set 4
  73. General Awareness MCQ Questions Set 5
  74. General Awareness MCQ Questions Set 6
  75. General Awareness MCQ Questions Set-7
  76. General Awareness MCQ Questions Set 8
  77. General Awareness MCQ Questions Set 9
  78. General Awareness MCQ Questions Set 10
  79. General Awareness MCQ Questions Set 11
  80. General Awareness MCQ Questions Set 12
  81. General Awareness MCQ Questions Set-13
  82. General Awareness MCQ Questions Set-14
  83. General Awareness MCQ Questions Set-15
  84. General Awareness MCQ Questions Set-16
  85. General Awareness MCQ Questions Set-17
  86. General Awareness MCQ Questions Set-18
  87. General Awareness MCQ Questions Set-19
  88. General Awareness MCQ Questions Set-20
  89. General Awareness MCQ Questions Set-21
  90. General Awareness MCQ Questions Set-22
  91. General Awareness MCQ Questions Set-23
  92. General Awareness MCQ Questions Set-24
  93. General Awareness MCQ Questions Set-25
  94. General Awareness MCQ Questions Set-26
  95. General Awareness MCQ Questions Set-27
  96. Indian Economy MCQ Set 1
  97. Indian Economy MCQ Set 2
  98. Genera Knowledge (Animals and Birds) set-1
  99. Genera Knowledge (Animals and Birds) Mcq Questions set-2
  100. Genera Knowledge (Animals and Birds) Mcq Questions set-3
  101. General Knowledge Biology Mcq Questions set-1
  102. General Knowledge Biology Mcq Questions set-2
  103. General Knowledge Business Awareness MCQ Questions Set-1
  104. General Knowledge Business Awareness MCQ Questions Set 2
  105. General Knowledge Business Awareness MCQ Questions Set -3
  106. General Knowledge Business Awareness MCQ Questions Set -4
  107. General Knowledge Biology Questions Set-3
  108. General Knowledge Biology Questions Set-4
  109. General Knowledge Biology Questions Set-5
  110. General Knowledge Biology Questions Set-6
  111. General Knowledge Books and Authors MCQ Questions Set-1
  112. General Knowledge Books and Authors MCQ Questions Set-2
  113. General Knowledge Books and Authors MCQ Questions Set-3
  114. General Knowledge Books and Authors MCQ Questions Set-4
  115. Country Capitals Questions set -1
  116. Country Capitals Questions set -2
  117. General Awareness Questions
  118. Gk Indian Politics CURRENT AFFAIRS MCQ QUESTION SET 1
  119. Gk Indian Politics CURRENT AFFAIRS MCQ QUESTION SET 2
  120. Gk Indian Politics CURRENT AFFAIRS MCQ QUESTION SET 3
  121. Gk Indian Politics CURRENT AFFAIRS MCQ QUESTION SET 4
  122. BASIC GENERAL KNOWNLEGE MCQ SET 1
  123. BASIC GENERAL KNOWNLEGE MCQ SET 2
  124. BASIC GENERAL KNOWNLEGE MCQ SET 3
  125. Computer GK Mcq Question part 1
  126. Computer GK Mcq Question part 2
  127. Computer GK Mcq Question part 3
  128. MCQ GK SET-1
  129. Ancient Indian History Quiz Multiple Choice Questions (MCQs) Part 1
  130. Ancient Indian History Quiz Multiple Choice Questions (MCQs) Part 2
  131. Indian Culture General Studies MCQs Part 1
  132. Indian Culture General Studies MCQs Part 2
  133. Modern Indian History & Freedom Struggle Questions (MCQs) PART 1
  134. Indian Geography Questions (MCQs) for UPSC, State PCS and SSC Examinations Part 1
  135. Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations.
  136. Sports GK Questions - MCQs on Sports General Knowledge Part 1
  137. Sports GK Questions - MCQs on Sports General Knowledge Part 2
  138. Important Days and Dates GK Questions Part 1
  139. Important Days and Dates GK Questions Part 2
  140. Books and Authors GK Questions PART 1
  141. Andaman & Nicobar GK Questions Part 1
  142. Andaman & Nicobar GK Questions Part 2
  143. Arunachal Pradesh GK Questions for APPSC Examinations Part 1
  144. Arunachal Pradesh GK Questions for APPSC Examinations Part 2
  145. Bihar GK for BPSC and other Bihar PCS Exams Part 1
  146. Bihar GK for BPSC and other Bihar PCS Exams Part 2
  147. Uttar Pradesh GK Questions for UPPSC Examinations Part 1
  148. Uttar Pradesh GK Questions for UPPSC Examinations Part 2
  149. Government Schemes [India & States] Current Affairs MCQs
  150. India Current Affairs [Nation & States] MCQs
  151. Reports And Indices Current Affairs MCQs
  152. Legal & Constitutional Current Affairs
  153. International General Knowledge Test Set 01
  154. International General Knowledge Test Set 02
  155. GK Basic National Mcq Set 01
  156. GK Basic National Mcq Set 02
  157. World Organizations mcq
  158. World Famous Personality set 1
  159. International Books and Authors MCQ Questions -
  160. Constitution of India & Indian Politics Set 01
  161. Constitution of India & Indian Politics Set 02
  162. GK MCQ
  163. GK Quiz on Union-State Relations & Vice-President of India
  164. GK Mcq Indian Polity Parliamentary System in India
  165. Earth Multiple Choice Questions
  166. Earth Multiple Choice Questions set 2
  167. Earth Multiple Choice Questions set 2.
  168. Current Affairs Questions 2021
  169. Advertising MCQ Set 1
  170. Financial Accounting MCQ  Part 1
  171. Advertising MCQ Set 2
  172. Business Economics MCQ Part 1
  173. Direct Tax MCQ Set 1
  174. General Psychology MCQ SET 1
  175. Himachal Pradesh General Knowledge Questions
  176. Basic General Knowledge Mcq
  177. Sports GK MCQ Set 1
  178. Indian History MCQ Quiz Answers
  179. Indian Parliament MCQ Questions
  180. Famous Days & Dates General Knowledge Questions
  181. Botany General Knowledge Mcq Questions
  182. Geography General Knowledge MCQ
  183. Gujarat General Knowledge Questions
  184. Indian Culture MCQ
  185. Banking Awareness General Knowledge Mcq Set 1
  186. Banking Awareness General Knowledge Mcq Set 2
  187. Insurance Awareness MCQ Set 1
  188. Andhra Pradesh MCQ
  189. Odisha MCQ
  190. Haryana General Knowledge Mcq
  191. Jharkhand General Knowledge Questions
  192. Kerala General Knowledge Questions
  193. Madhya Pradesh General Knowledge Questions
  194. Bihar General Knowledge Questions
  195. Uttar Pradesh General Knowledge Questions
  196. Jammu and Kashmir General Knowledge Questions
  197. Meghalaya General Knowledge Questions
  198. Arunachal Pradesh General Knowledge Questions
  199. Mizoram General Knowledge Questions
  200. Nagaland General Knowledge Questions
  201. Countrywise General Knowledge Questions
  202. Inventions General Knowledge Questions
  203. Environment General Knowledge Questions
  204. Marketing Awareness General Knowledge Questions
  205. GK General Knowledge - Agriculture Question Set 1
  206. GK General Knowledge - Agriculture Question Set 2
  207. Indian Railways GK MCQ
  208. GK General Knowledge - Agriculture Question Set 3
  209. GK General Knowledge - Business And Economics Question set 1
  210. GK General Knowledge - Business And Economics Question set 2
  211. GK General Knowledge - Business And Economics Question set 3
  212. Punjab General Knowledge Mcq Questions
  213. Karnataka General Knowledge Mcq Questions
  214. Rajasthan General Knowledge Questions
  215. Uttarakhand General Knowledge Mcq Questions
  216. Chhattisgarh General Knowledge Mcq Questions
  217. GK General Knowledge - History Question Answer Set 1
  218. GK General Knowledge - History Question Answer Set 2
  219. GK General Knowledge - History Question Answer Set 3
  220. West Bengal MCQ Quiz Answers
  221. GK General Knowledge - History Question Answer Set 4
  222. GK General Knowledge - Miscellaneous Mcq Question Set 1
  223. Maharashtra MCQ Quiz Answers
  224. GK General Knowledge - Miscellaneous Mcq Question Set 2
  225. GK General Knowledge - Miscellaneous Mcq Question Set 3
  226. GK General Knowledge - Political Science Question Set 1
  227. GK General Knowledge - Political Science Question Set 2
  228. GK General Knowledge - Political Science Question Set 3
  229. GK General Knowledge - Art And Culture Question Set 1
  230. GK General Knowledge - Art And Culture Question Set 2
  231. Goa GK MCQ
  232. Manipur GK MCQ
  233. Sikkim GK MCQ
  234. GK General Knowledge - Art And Culture Question Set 3
  235. GK General Knowledge - Art And Culture Question Set 4
  236. GK General Knowledge - Art And Culture Question Set 5
  237. GK General Knowledge - Art And Culture Question Set 6
  238. GK General Knowledge - Art And Culture Question Set 7
  239. Country Capitals and Currency GK MCQ
  240. GK English Mcq Question Answer
  241. Science And Technology Mcq Question
  242. General Awareness MCQ
  243. GK Material Science Mcq
  244. Medieval Indian History Questions (MCQs) for UPSC, SSC Exams
  245. World Geography MCQ
  246. Sports GK Questions MCQs
  247. General Knowledge Ancient History
  248. Books And Authors General Knowledge Questions
Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!