Chemistry-Synthetic Fibers and Plastics (NSTSE (National Science Talent Search Exam- Unified Council) Class 8): Questions 1 - 8 of 51

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Question number: 1

» Chemistry » Synthetic Fibers and Plastics

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Question

Which of the following plastic can be recycled?

Choices

Choice (4) Response

a.

Thermoplastic

b.

Thermosetting

c.

None of the above

d.

All of the above

Question number: 2

» Chemistry » Synthetic Fibers and Plastics

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MCQ▾

Question

Which of the following statement is not true?

Choices

Choice (4) Response

a.

Plastic is non-reactive

b.

Plastic is strong

c.

Plastic is durable

d.

Plastic is good conductor of heat.

Question number: 3

» Chemistry » Synthetic Fibers and Plastics

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Question

Substances which get decomposed through the natural processes are known as:

Choices

Choice (4) Response

a.

Non bioDegradable substances

b.

BioDegradable substances

c.

All of the above

d.

Question does not provide sufficient data or is vague

Question number: 4

» Chemistry » Synthetic Fibers and Plastics

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MCQ▾

Question

Polyester is also known as:

Choices

Choice (4) Response

a.

PET

b.

PT

c.

PTET

d.

All of the above

Question number: 5

» Chemistry » Synthetic Fibers and Plastics

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Question

Which of the following fibre is made of coal, air and water?

Choices

Choice (4) Response

a.

Rayon

b.

Polyester

c.

Terrycot

d.

Nylon

Question number: 6

» Chemistry » Synthetic Fibers and Plastics

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MCQ▾

Question

Which of the following is the first commercially synthesized fibre?

Choices

Choice (4) Response

a.

Rayon

b.

Cotton

c.

Wool

d.

Nylon

Question number: 7

» Chemistry » Synthetic Fibers and Plastics

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MCQ▾

Question

Which of the following fabric is almost wrinkle free and easy to wash?

Choices

Choice (4) Response

a.

Jute

b.

Cotton

c.

Polyester

d.

Wool

Question number: 8

» Chemistry » Synthetic Fibers and Plastics

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MCQ▾

Question

Which of the following is known as artificial silk:

Choices

Choice (4) Response

a.

Rayon

b.

Nylon

c.

Polyester

d.

All of the above

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