Chemistry GK Multiple Choice Questions Set – 58

Here you will find GK MCQ Questions for Chemistry GK with Answers PDF Free Download based on the important concepts and topics given in the textbook as per new exam pattern. This may assist you to understand and check your knowledge about the Chemistry GK. Students also can take a free test of the Multiple Choice Questions of Chemistry GK. Each question has four options followed by the right answer.

Question 1.

Natural rubber is the polymer of :

A. Isoprene
B. Styrene
C. Butadiene
D. Ethylene

A. Isoprene

Question 2.

The polymer obtained by the condensation of hexamethylene diamine and adipic acid is :

A. Nylon 66
B. Terylene
C. Tollen’s
D. Bakelite

A. Nylon 66

Question 3.

Natural rubber is a polymer of

A. Vinyl acetate
B. Propene
C. Isoprene
D. Styrene

C. Isoprene

Question 4.

Bleaching action of moist sulphur dioxide is because of its

A. Basic property
B. Acidic property
C. Oxidising property
D. Reducing property

C. Oxidising property

Question 5.

The basic chemical building block of natural rubber obtained from trees is

A. Isoprene
B. Vinyl Chloride
C. Acetylene
D. Neoprene

A. Isoprene

Question 6.

Neoprene is prepared by polymerisation of which of the following

A. 2-chloro-1, 3-butadiene
B.2-methyl 1, 3-butadiene
C. 1,3-butadiene
D. Acrylonitrile

A. 2-chloro-1, 3-butadiene

Question 7.

What is a Bakelite ?

A. Solution
B. Acid
C. Base
D. Polymer

D. Polymer

Question 8.

Sulphur dioxide bleaches colouring matter by :

A. Reduction
B. Dehydration
C. Decomposition
D. Oxidation

A. Reduction

Question 9.

The name of plastic polymer from which combs, toys, bowls etc., can be made, is

A. Polyurethane
B. Polystyrene
C. Metallic polysulphides
D. Teflon

B. Polystyrene

Question 10.

Neoprene is a polymer of

A. Chloroprene
B. Isoprene
C. Isobutane
D. Isopentane

A. Chloroprene

Question 11.

What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ?

A. There is a crackling sound
B. There is a violent explosion.
C. There is no reaction.
D. The paper ignites

B. There is a violent explosion

Question 12.

Which one of the following is commonly used for pulp bleaching in the paper industry?

A. Mild sulphuric acid
B. Glucose isomerase
C. Hydrogen peroxide
D. Iodine and water

C. Hydrogen peroxide

Question 13.

A polymeric substance used to make parachute is

A. Rayon
B. Viscose
C. Cotton
D. Terylene

B. Viscose

Question 14.

Silicone is a polymer of

A. Tetraalkyl silane
B. Silicon tetrachloride
C. Dialkyl dichloro silane
D. Silane

C. Dialkyl dichloro silane

Question 15.

Silver nitrate solution is kept in brown bottles in laboratory because

A. It reacts with ordinary white bottles
B. Brown bottles stops the passage of light through it
C. Brown bottles do not react with it
D. Brown bottles react with it

B. Brown bottles stops the passage of light through it

Question 16.

In upper layer of atmosphere ozone is formed by

A. The action of ultraviolet rays on oxygen
B. The combination of oxygen molecules
C. Subjecting oxygen to high pressure
D. The action of nitrogen on oxygen in atmosphere

A. The action of ultraviolet rays on oxygen

Question 17.

PVC is obtained by the polymerisation of

A. Propane
B. Vinyl chloride
C. Styrene
D. Acetylene

B. Vinyl chloride

Question 18.

The monomers of dacron are

A. Decane and decanol
B. Decanone and decanol
C. Ethylene glycol and terephthalic acid
D. Ethylene glygol and phthalic acid

C. Ethylene glycol and terephthalic acid

Question 19.

Which colour is produce by Arsenic during flame test?

A. Green
B. Red
C. Crimson
D. Blue

D. Blue

Question 20.

Which one of the following is used to restore the colour of old oil paintings ?

A. Ozone
B. Hydrogen peroxide
C. Barium peroxide
D. Sodium peroxide

B. Hydrogen peroxide

Chemistry GK MCQs all set

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