Chemistry [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 8 - 15 of 209

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Question number: 8

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Question

MCQ▾

Which of the following is known as artificial silk:

Choices

Choice (4)Response

a.

Rayon

b.

Nylon

c.

Polyester

d.

All of the above

Question number: 9

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Question

MCQ▾

Terrycot fabric is made after mixing terylene with?

Choices

Choice (4)Response

a.

Wool

b.

Silk

c.

Cotton

d.

None of the above

Question number: 10

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Question

MCQ▾

Which type of plastic is used to make handles of kitchen utensils?

Choices

Choice (4)Response

a.

Elastomer

b.

Thermosetting

c.

Thermostatic

d.

All of the above

Question number: 11

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Question

MCQ▾

Which of the following is thermosetting plastic?

Choices

Choice (4)Response

a.

PVC

b.

Melamine

c.

Ploythene

d.

All of the above

Question number: 12

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Question

MCQ▾

Rearing of silkworm is known as:

Choices

Choice (4)Response

a.

Agriculture

b.

Horticulture

c.

Sericulture

d.

Question does not provide sufficient data or is vague

Question number: 13

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Question

MCQ▾

Polyester is made up of:

Choices

Choice (4)Response

a.

Coal

b.

Protein

c.

Ester

d.

All of the above

Question number: 14

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Question

MCQ▾

Plastics which can be easily bent on heating are known as:

Choices

Choice (4)Response

a.

Thermoplastic

b.

Elastomer

c.

Thermosetting

d.

Question does not provide sufficient data or is vague

Question number: 15

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Question

MCQ▾

Which of the following statement is not true?

Choices

Choice (4)Response

a.

Plastic is used in making toys, suitcase.

b.

Bakelite is poor conductor of electricity and heat.

c.

Plastic is not a polymer.

d.

Question does not provide sufficient data or is vague