NSO Level 1- Science Olympiad (SOF) Class 8: Questions 459 - 464 of 1076

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Question number: 459

» Metals and Non-Metals

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MCQ▾

Question

A purple coloured non-metal forms a brown solution in acid which is used as an antiseptic is

Choices

Choice (4)Response

a.

Chlorine

b.

Iodine

c.

Helium

d.

Bromine

Question number: 460

» Metals and Non-Metals

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MCQ▾

Question

The gaseous non-metal that is essential for life to exist on earth is

Choices

Choice (4)Response

a.

Oxygen

b.

Hydrogen

c.

Carbon

d.

Copper

Question number: 461

» Metals and Non-Metals

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MCQ▾

Question

Metal used in thermometer is

Choices

Choice (4)Response

a.

Copper

b.

Silver

c.

Mercury

d.

Gold

Question number: 462

» 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

Neena makes capries from her old short jeans and decorative articles from wedding cards and old crockery items

Choices

Choice (4)Response

a.

Reuse

b.

Recover

c.

Recycle

d.

Reduce

Question number: 463

» Synthetic Fibres and Plastics

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MCQ▾

Question

Identify the names from the given clues

Fabrics created by the combination of one or more fibres is called a

Choices

Choice (4)Response

a.

Mixed fabric

b.

Best quality fabric

c.

Blended fabric

d.

Combined fabric

Passage

Image shows Plastic

Image Shows Plastic

Question number: 464 (1 of 3 Based on Passage) Show Passage

» Synthetic Fibres and Plastics

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MCQ▾

Question

People like to use synthetic clothes rather than natural ones. This is because

Choices

Choice (4)Response

a.

They dry up quickly.

b.

Synthetic clothes are more durable and less expensive.

c.

They are readily available and easy to maintain

d.

All a. , b. and c. are correct

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