Question 1.
Which of the following is used as non-stick coating for cooking utensils?
A.Perspex
B.Styrofoam
C. Polystyrene
D.Teflon
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
B.Nylon
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
B.Polyester
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
A. PVC
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
- Chemistry GK MCQs Set-1
- Chemistry GK MCQs Set-2
- Chemistry GK MCQs Set-3
- Chemistry GK MCQs Set-4
- Chemistry GK MCQs Set-5
- Chemistry GK MCQs Set-6
- Chemistry GK MCQs Set-7
- Chemistry GK MCQs Set-8
- Chemistry GK MCQs Set-9
- Chemistry GK MCQs Set-10
- Chemistry GK MCQs Set-11
- Chemistry GK MCQs Set-12
- Chemistry GK MCQs Set-13
- Chemistry GK MCQs Set-14
- Chemistry GK MCQs Set-15
- Chemistry GK MCQs Set-16
- Chemistry GK MCQs Set-17
- Chemistry GK MCQs Set-18
- Chemistry GK MCQs Set-19
- Chemistry GK MCQs Set-20
- Chemistry GK MCQs Set-21
- Chemistry GK MCQs Set-22
- Chemistry GK MCQs Set-23
- Chemistry GK MCQs Set-24
- Chemistry GK MCQs Set-25
- Chemistry GK MCQs Set-26
- Chemistry GK MCQs Set-27
- Chemistry GK MCQs Set-28
- Chemistry GK MCQs Set-29
- Chemistry GK MCQs Set-30
- Chemistry GK MCQs Set-31
- Chemistry GK MCQs Set-32
- Chemistry GK MCQs Set-33
- Chemistry GK MCQs Set-34
- Chemistry GK MCQs Set-35
- Chemistry GK MCQs Set-36
- Chemistry GK MCQs Set-37
- Chemistry GK MCQs Set-38
- Chemistry GK MCQs Set-39
- Chemistry GK MCQs Set-40
- Chemistry GK MCQs Set-41
- Chemistry GK MCQs Set-42
- Chemistry GK MCQs Set-43
- Chemistry GK MCQs Set-44
- Chemistry GK MCQs Set-45
- Chemistry GK MCQs Set-46
- Chemistry GK MCQs Set-47
- Chemistry GK MCQs Set-48
- Chemistry GK MCQs Set-49
- Chemistry GK MCQs Set-50
- Chemistry GK MCQs Set-51
- Chemistry GK MCQs Set-52
- Chemistry GK MCQs Set-53
- Chemistry GK MCQs Set-54
- Chemistry GK MCQs Set-55
- Chemistry GK MCQs Set-56
- Chemistry GK MCQs Set-57
- Chemistry GK MCQs Set-58
- Chemistry GK MCQs Set-59
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