Chemistry [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 23 - 29 of 209

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Question number: 23

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Question

MCQ▾

Which of the following is an animal fibre?

Choices

Choice (4)Response

a.

Cotton

b.

Rayon

c.

Wool

d.

All of the above

Question number: 24

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Question

MCQ▾

Acrylic is a:

Choices

Choice (4)Response

a.

Plant fibre

b.

Animal fibre

c.

Man made fibre

d.

Question does not provide sufficient data or is vague

Question number: 25

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Question

MCQ▾

Which of the following is not a natural fibre

Choices

Choice (4)Response

a.

Cotton

Which of the is not a natural fibre : Choice A
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b.

Silk

Which of the is not a natural fibre : Choice B
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c.

Polyester fabric

Which of the is not a natural fibre : Choice C
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d.

Wool

Which of the is not a natural fibre : Choice D
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Question number: 26

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Question

MCQ▾

Which type of distillation method is used to refine petroleum?

Choices

Choice (4)Response

a.

Distillation

b.

Destructive distillation

c.

Fractional distillation

d.

None of the above

Question number: 27

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Question

MCQ▾

Which of the following metal is known as noble metal?

Choices

Choice (4)Response

a.

Lithium

b.

Mercury

c.

Gold

d.

Caesium

Question number: 28

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Question

MCQ▾

Which of the following is a characteristic of a rocket fuel?

Choices

Choice (4)Response

a.

Should burn vapidly

b.

Light and compact

c.

High calorific value

d.

All a. , b. and c. are correct

Question number: 29

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Question

MCQ▾

Identity the alloy of aluminium and ( magnesium metals ?

Choices

Choice (4)Response

a.

Alnico

b.

Duralumin

c.

t-metal

d.

Magnalium