NSO Level 1- Science Olympiad (SOF) Class 8: Questions 505 - 511 of 1076

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Question number: 505

» Synthetic Fibres and Plastics

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MCQ▾

Question

The uses of some materials are given in the statement. Identify them

A Plastic used for making containers and carry bags

Choices

Choice (4) Response

a.

Polythene

b.

PVC

c.

Polyester

d.

Nylon

Question number: 506

» Metals and Non-Metals

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MCQ▾

Question

Which of the following is a non-metal?

Choices

Choice (4) Response

a.

Copper

b.

Zinc

c.

Carbon

d.

Mercury

Question number: 507

» Synthetic Fibres and Plastics

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MCQ▾

Question

Options are given in the jumbled form. Reshuffle the spellings and identify the correct options.

The material known as artificial silk

Choices

Choice (4) Response

a.

yoln

b.

yopetlers

c.

relyente

d.

yaron

Question number: 508

» Synthetic Fibres and Plastics

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MCQ▾

Question

We are familiar with the four R’s used in environment protection. Identify the R used in the situations

Cotton is an example of a polymer called

Choices

Choice (4) Response

a.

PVC

b.

Polythene

c.

Polycot

d.

Glucose

Question number: 509

» Metals and Non-Metals

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MCQ▾

Question

Which of the following is the least reactive metal?

Choices

Choice (4) Response

a.

Sodium

b.

Gold

c.

Copper

d.

Iron

Question number: 510

» Synthetic Fibres and Plastics

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MCQ▾

Question

Options are given in the jumbled form. Reshuffle the spellings and identify the correct options.

Polycot is a mixture of

Choices

Choice (4) Response

a.

Yoln, oowl

b.

Oowl, yopetlers

c.

Yopetlers, tocnot

d.

Yoln, tocnot

Question number: 511

» Synthetic Fibres and Plastics

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MCQ▾

Question

Examples of thermosetting plastic are

  1. Polythene

  2. PVC

  3. Bakelite

  4. Melamine

Choices

Choice (4) Response

a.

3 and 4

b.

2 and 3

c.

1 and 2

d.

1 and 4

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