Chemistry Multiple Choice Questions Set – 12

Question 1.

Which of the following is used as non-stick coating for cooking utensils?

C. Polystyrene

Ans: D.Teflon

Question 2.

Terylene is a condensation polymer of ethylene glycol and which acid?

A. Benzoic Acid
B. Salicylic acid
C. Phthalic acid
D. Terephthalic acid

Ans: D. Terephthalic acid

Question 3.

Which of the following is a natural polymer?

A. Bakelite
C. Polythene
D. Starch

Ans: D. Starch

Question 4.

What is the chemical symbol of mercury?

A. Mr
B. Mg
C. Hg
D. None of the above

Ans: C. Hg

Question 5.

The fibre least prone to catch fire is

A. Nylon
B. Polyester
C. Cotton
D. Terylene

Ans: C. Cotton

Question 6.

The material known in commerce as Terylene is a

A. Synthetic fibre
B. Natural fibre
C. Modified natural fibre
D. Blend of cotton and silk

Ans: A. Synthetic fibre

Question 7.

Plastic is a type of

A. Polyester
B. Polymer
C. Acrylic
D. None of the above

Ans: B. Polymer

Question 8.

Which of the following is a monoatomic gas?

A. Oxygen
B. Neon
C. Nitrogen
D. Fluorine

Ans: B. Neon

Question 9.

Which of the following is used to make light weight, but strong plastic ?

A. Nylon
B. Polythene
C. Polyvinyl Chloride
D. Methyl Methacrylate

Ans: C. Polyvinyl Chloride

Question 10.

Nylon is a type of

A. Polyamide
B. Polyolefin
C. Polyester
D. Acrylic

Ans: A. Polyamide

Question 11.

Polythene is polymer of

A. Ethylene
B. Propylene
C. Acetylene
D. Aniline

Ans: A. Ethylene

Question 12.

The purest form of water in nature is

A. Rain water
B. Lake water
C. River water
D. Sea water

Ans: A. Rain water

Question 13.

Which of the following fibres catches fire least ?

A. Nylon
B. Cotton
C. Rayon
D. Terricot

Ans: B. Cotton

Question 14.

Nylon is made up of :

A. Polyamide
C. Polyethylene
D. Polypropylene

Ans: A. Polyamide

Question 15.

Glycol is used to manufacture which of the following ?

A. Nylon
B. Artificial silk
C. Terylene
D. Rubber

Ans: C. Terylene

Question 16.

In drinking water supply, which of the following treatments is not involved

A. Coagulation
B. Sedimentation
C. Softening
D. Disinfection

Ans: C. Softening

Question 17.

Non-stick kitchenwares are coated with

B. Graphite
C. Teflon
D. Silicon

Ans: C. Teflon

Question 18.

Nylon threads are made of

A. Polyester polymer
B. Polyamide polymer
C. Polyvinyl polymer
D. Polysaccharide

Ans: B. Polyamide polymer

Question 19.

Silk fibre chemically is :

A. Carbohydrate
B. Fat
C. Protein
D. Cellulose

Ans: C. Protein

Question 20.

The two metal ions that cause hardness to water are:

A. Calcium, Magnesium
B. Sodium, Calcium
C. Sodium, Potassium
D. Sodium, Magnesium

Ans: A. Calcium, Magnesium

Chemistry GK MCQs all set

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