R4RIN – MCQs, Mock Tests | Chemistry G.K Question and Answer

The catalyst used in the lead chamber process is:

1. Oxide of the nitrogen
2. Platinum
3. Nickel
4. MnO2

✅ Correct Answer: 1

The catalyst employed in the production of H2S04 by the Contact process is:

1. The pieces (powder) of iron
2. The pieces (powder) of platinum
3. Oxide of nitrogen
4. Nickel metal

✅ Correct Answer: 2

The employed catalyst in the production of ammonia through the Haber's process is:

1. Nickel
2. Iron
3. Platinum
4. Molybdenum

✅ Correct Answer: 4

In the contest of an alternative sources of energy and practical bio-fuel ethanol can be obtained from-which of the following?

1. Potato
2. Paddy
3. Sugarcane
4. Wheat

✅ Correct Answer: 3

When the water vapour is poured on the red heated coke then the mixture of carbon monoxide and hydrogen gas is obtained which is:

1. Coal gas
2. Water gas
3. Producer gas
4. Bio gas

✅ Correct Answer: 2

The gaseous mixture of carbon monoxide and nitrogen is called:

1. Coal gas
2. Water gas
3. Producer gas
4. Natural gas

✅ Correct Answer: 3

The main component of the natural gas is:

1. Methane
2. Ethane
3. Propane
4. Butane

✅ Correct Answer: 1

In L.P.G. the main component is:

1. Methane
2. Carbon dioxide
3. Butane
4. Sulphur dioxide

✅ Correct Answer: 3

Which of the following has the maximum calorific value?

1. Hydrogen
2. Charcoal
3. Natural gas
4. Gasoline

✅ Correct Answer: 1

Which of the following would produce minimum environmental pollution?

1. Diesel
2. Coal
3. Hydrogen
4. Kerosene

✅ Correct Answer: 3

The percentage amount of carbon in the various types of coal is different, in which of the following its percentage would be the most:

1. Peat
2. Lignite
3. Bituminous
4. Anthracite

✅ Correct Answer: 4

Which of the following is called as the brown coal?

1. Peat
2. Lignite
3. Bituminous
4. Anthracite

✅ Correct Answer: 2

The anti-knocking properties of any fuel exhibit:

1. Golden number
2. Natural number
3. Octane number
4. Mach number

✅ Correct Answer: 3

On what basis, the Mendeleev periodic table is classified?

1. Atomic mass
2. Atomic number
3. Atomic volume
4. Atomic density

✅ Correct Answer: 1

Who propounded the modern periodic law?

1. Newlands
2. Dobrenor
3. Mendeleev
4. Moseley

✅ Correct Answer: 4

The basis of the classification of the element in the modern periodic table is:

1. Atomic number
2. Atomic mass
3. Atomic volume
4. Atomic density

✅ Correct Answer: 1

Which of the following is the heaviest metal?

1. Silver
2. Gold
3. Mercury
4. Platinum

✅ Correct Answer: 4

Which of the following is the lightest metal?

1. Magnesium
2. Aluminium
3. Platinum
4. Lithium

✅ Correct Answer: 4

Which of the following is the lightest element?

1. Hydrogen
2. Helium
3. Mercury
4. Platinum

✅ Correct Answer: 1

Which of the following is the most fundamental property of the element?

1. Atomic weight
2. Molecular weight
3. Atomic number
4. Atomic density

✅ Correct Answer: 3

The process employed to remove the magnetic impurities from the Ores is called:

1. Gravity separation process
2. Magnetic separation process
3. Forth floatation process
4. Physical process

✅ Correct Answer: 2

The concentration process of sulphide ores is:

1. Gravity separation process
2. Magnetic separation process
3. Forth floatation process
4. Physical process

✅ Correct Answer: 3

The main ore of the mercury is:

1. Cinnabar
2. Pyrite
3. Bauxite
4. Pyrolusite

✅ Correct Answer: 1

The element radium was extracted from:

1. Lime stone
2. Pinch blend
3. Retile
4. Haematite

✅ Correct Answer: 2

Aluminium metal is extracted mainly from its ore:

1. Magnetite
2. Bauxite
3. Dolomite
4. Lime Pigment

✅ Correct Answer: 2

Galena is the ore of the metal:

1. Silver
2. Lead
3. Mercury
4. Aluminium

✅ Correct Answer: 2

Monozite is the ore of:

1. Zirconium
2. Thorium
3. Titanium
4. Iron

✅ Correct Answer: 2

The chemical formula of washing soda is :

1. NaOH
2. Ca (OH)2
3. NaOHC03
4. Na2C03.10H2O

✅ Correct Answer: 4

In the ocean-water which of the following salt has its maximum contribution in the salinity:

1. Calcium sulphate
2. Magnesium chloride
3. Magnesium iodide
4. Sodium chloride

✅ Correct Answer: 4

The chemical utilized and employed as fixer in the photography is:

1. Sodium sulphate
2. Sodium thiosulphate
3. Ammonium per-sulphate
4. Borax

✅ Correct Answer: 2

The extremely soft mineral, talk (soap stone) is mainly:

1. Manganese silicate
2. Sodium silicate
3. Sodium phosphate
4. Magnesium silicate

✅ Correct Answer: 4

In the earth crust although the amount of aluminium is more than iron, however aluminium is costly than iron because:

1. Aluminium is more useful than iron
2. Aluminium forms more alloys than iron
3. Aluminium made equipments are more acceptable then iron equipments
4. The extraction processes of aluminium is more costly than extraction processes of iron

✅ Correct Answer: 4

For the installation of aluminium plants in India, the minimum required parameter other than bauxite is:

1. Coke
2. Electricity
3. Labour
4. Market

✅ Correct Answer: 2

Which of the following statement is true regarding the aluminium?

1. Aluminium hydroxide is amphoteric in nature
2. Aluminium exists in the Free State in nature
3. Nitric acid does not react with the aluminium
4. Hot and concentrated H2SO4 directly react with oxygen in which SO2 gas is released

✅ Correct Answer: 2

The chemical formula of the plaster of Paris is:

1. CaS04.5H2O
2. 2CaS04. H2O
3. (CaS04)2. 2H2O
4. CaSO4. MgO

✅ Correct Answer: 2

Which of the following is the chemical name of the lime stone?

1. Calcium chloride
2. Calcium oxide
3. Calcium carbonate
4. Calcium sulphate

✅ Correct Answer: 3

From which of the following ore, iron is extracted?

1. Lime stone
2. Pinch blend
3. Monazite sand
4. Haematite

✅ Correct Answer: 4

What will be the change when iron get rusted?

1. Its weight is increased
2. Its weight is decreased
3. No changes take place
4. Its weight change

✅ Correct Answer: 1

Which of the following element is mixed up for making steel which can resist high temperature and which has high level hardness and anti-frictional resistivity?

1. Aluminium
2. Chromium
3. Nickel
4. Tungsten

✅ Correct Answer: 2

To provide stern hardness which of the following is mixed up?

1. Carbon
2. Manganese
3. Silicon
4. Chromium

✅ Correct Answer: 4

Blue Vitriol is:

1. Copper sulphate
2. Iron sulphate
3. Calcium sulphate
4. Sodium sulphate

✅ Correct Answer: 1

The coating of thin layer of the zinc on the steel or iron utensils is called:

1. Heat feeding
2. Material plating
3. Lamination
4. Electro plating

✅ Correct Answer: 3

The sharp (bitter) smell of the substance which is found in the colouration or painting is:

1. CaOH
2. Al2 (S04)3
3. CaC03
4. Zn3(P04)2

✅ Correct Answer: 4

Which of the following metal is the best conductor of the electricity?

1. Gold
2. Silver
3. Copper
4. Zinc

✅ Correct Answer: 2

The substance which is useful for the photography:

1. Silver Nitrate
2. Silver bromide
3. Sulphuric acid
4. Citric acid

✅ Correct Answer: 2

Which of the following metal is the heaviest?

1. Silver
2. Copper
3. Gold
4. Lead

✅ Correct Answer: 3

Which of the following metal is liquid at ordinary temperature?

1. Lead
2. Mercury
3. Nickel
4. Tin

✅ Correct Answer: 2

The substance employed and frequently used in the fluorescent tube is:

1. Sodium oxide and argon
2. Sodium vapour and neon
3. Mercury vapour and argon
4. Mercury oxide and argon

✅ Correct Answer: 3

Which of the following metal is used in the accumulator cell?

1. Copper
2. Lead
3. Aluminium
4. Zinc

✅ Correct Answer: 2

Chemistry MCQ Quiz Hub

G.K Question and Answer - Chemistry MCQs Set III