Chemistry/Chemistry MCQ Questions set-8 Sample Test,Sample questions

Question:
___ is used for making chemical apparatus like beakers flasks etc.

1.Potash glass

2.Hard glass

3.Jena glass

4. Soda glass

Posted Date:-2021-07-02 06:54:25


Question:
_____ is used for making vinegar.

1.Tartaric acid

2.Malic acid

3.Oxalic acid

4.Acetic acid

Posted Date:-2021-07-02 06:54:25


Question:
2O represents two ......... of oxygen.

 

1.ions

2.electrons

3.atoms

4.molecules

Posted Date:-2021-07-02 06:54:25


Question:
Atomic bomb is based on which of the following principle?

1.Nuclear fusion

2. Nuclear fission

3.Natural radioactivity

4. All options are correct

Posted Date:-2021-07-02 06:54:25


Question:
Charge on proton is equal to the charge on ______.

 

1.Electron

2.Positron

3.Neutron

4.Alpha particle

Posted Date:-2021-07-02 06:54:25


Question:
Chemical formula for sulphurous acid is:

1.H2SO4

2.H2SO3

3.H3SO3

4.H3SO4

Posted Date:-2021-07-02 06:54:25


Question:
Chemical name of vinegar is

1.Onam

2.Pongal

3.Bihu

4.Hornbill

Posted Date:-2021-07-02 06:54:25


Question:
Find the similarity in the following :

 

Carbon Silicon Boron Arsenic

 

1.All of them are gases

2.All of them are non-metals

3.All of them are metals

4.No similarity

Posted Date:-2021-07-02 06:54:25


Question:
Generally covalently bonded molecules ______.

 

I. have high boiling and melting point as compare to ionically bonded molecules

II. poor conductors of electricity

III. have weak intermolecular force

 

1.Only I and II

2.Only I and III

3.Only II and III

4. All I II and III

Posted Date:-2021-07-02 06:54:25


Question:
Group 8A of the periodic table contains the

 

1.least reactive metals

2.most reactive nonmetals

3.most reactive metals

4.least reactive nonmetals

Posted Date:-2021-07-02 06:54:25


Question:
How many atoms are present in a (NH4)2SO4 molecule?

1.15

2.14

3.13

4.12

Posted Date:-2021-07-02 06:54:25


Question:
In arc welding Argon is used because of its

1.Low reactivity with metal

2.Ability to lower the melting point of the metal

3.High flammability

4.High calorific value

Posted Date:-2021-07-02 06:54:25


Question:
In Mendeleevs periodic table the properties of the elements are considered a periodic function of their:

1.Atomic mass

2.Ionization enthalpy

3.Atomic size

4.Atomic number

Posted Date:-2021-07-02 06:54:25


Question:
In the following reaction fill in the blank.
Acid + Base ? _______ + Water

1.Carbon dioxide

2.Metal Oxide

3.Hydrogen Gas

4.Salt

Posted Date:-2021-07-02 06:54:25


Question:
Ionic compounds ______.

 

I. have high boiling point

II. have high melting point

III. conduct electricity in solution

 

1.Only I and II

2.Only I and III

3.Only II and III

4.All I II and III

Posted Date:-2021-07-02 06:54:25


Question:
Saturated carbon compounds can form which types of chain structures?

 

I. Straight chain

II. Branched chain

 

1.Only I

2.Only II

3.Neither I nor II

4.Both I and II

Posted Date:-2021-07-02 06:54:25


Question:
The atoms of Germanium Arsenic Selenium and Bromine contain ...... shells.

1.3

2.7

3.5

4.4

Posted Date:-2021-07-02 06:54:25


Question:
The melting point of ice is ____ K.

1.253.16

2.263.16

3.273.16

4.283.16

Posted Date:-2021-07-02 06:54:25


Question:
What is the common name of Sodium Bicarborate?

1.Baking Soda

2.Washing Powder

3. Plaster of Paris

4.Fly Ash

Posted Date:-2021-07-02 06:54:25


Question:
What is the compound formed when Ag+ and Cl- combine?

 

1.Argon Chlorate

2.Argon Chloride

3.Silver Chloride

4.Silver Chlorate

Posted Date:-2021-07-02 06:54:25


Question:
What is the maximum  number of states of matter?

1.Three

2.Four

3.Five

4.Variable

Posted Date:-2021-07-02 06:54:25


Question:
Which among the following has lowest electron affinity?

1.Fluorine

2.Chlorine

3.Bromine

4.Argon

Posted Date:-2021-07-02 06:54:25


Question:
Which among the following has the maximum density?

1.Water

2.Ice

3.Ethylene

4.Acetone

Posted Date:-2021-07-02 06:54:25


Question:
Which metal is liquid at room temperature?

1.Bromine

2.Chlorine

3.Mercury

4.Cesium

Posted Date:-2021-07-02 06:54:25


Question:
Which of the follow is the last element in Newlands Law of Octaves classification?

1.Rhodium

2.Radium

3.Iron

4.Thorium

Posted Date:-2021-07-02 06:54:25


Question:
Which of the following acts as best adsorbent?

1.Charcoal

2.Activated Charcoal

3.Activated Coconut Charcoal

4.Carbon black

Posted Date:-2021-07-02 06:54:25


Question:
Which of the following bonds are weakest in nature?

1.Single bond

2.Double bond

3.Triple bond

4. Hydrogen bond

Posted Date:-2021-07-02 06:54:25


Question:
Which of the following can be beaten and converted into thin sheets?

1.Zinc

2.Phosphorus

3.Sulphur

4.Oxygen

Posted Date:-2021-07-02 06:54:25


Question:
Which of the following elements has the lowest melting point?

1.Xenon

2.Iodine

3.Barium

4.Magnesium

Posted Date:-2021-07-02 06:54:25


Question:
Which of the following gas was released during Bhopal gas tragedy?

1. Methyl isocyanate

2.Sodium isothiocyanate

3.Nitrogen isothiocyanate

4. Potassium isothiocyanate

Posted Date:-2021-07-02 06:54:25


Question:
Which of the following induces souring of milk?

1. Acetic Acid

2.Citric Acid

3.Ascorbic Acid

4.Lactic Acid

Posted Date:-2021-07-02 06:54:25


Question:
Which of the following is a chemical formula of quicklime?

1.Ca2O

2.Ca2CO3

3.CaO2

4.CaO

Posted Date:-2021-07-02 06:54:25


Question:
Which of the following is used as anaesthetics?

1.N2

2.N2O

3.CH4

4.CO2

Posted Date:-2021-07-02 06:54:25


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