Science (NCERT Based General Studies (GS)): Questions 96 - 102 of 1207

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Question number: 96

» Science » Class-8 NCERT » Synthetic Fibres and Plastics (Synthetic Fibres)

MCQ▾

Question

Fibres obtained from plants and animals are called

Choices

Choice (4) Response
a.

Synthetic Fibres

b.

Natural Fibres

c.

Man-made Fibres

d.

Cellulose

Question number: 97

» Science » Class-8 NCERT » Materials: Metals and Non-Metals (Physical Properties of Metals & Non-Metals)

MCQ▾

Question

Metals are used for making vessels because they are:

Choices

Choice (4) Response
a.

Bad conductor of electricity

b.

Good conductor of electricity

c.

Good conductors of heat

d.

Bad conductor of heat

Question number: 98

» Science » Class-8 NCERT » Synthetic Fibres and Plastics (Plastics and Environment)

MCQ▾

Question

4R Principle is:

Choices

Choice (4) Response
a.

Recover

b.

Reduce

c.

Reuse

d. All a. , b. and c. are correct

Question number: 99

» Science » Class-8 NCERT » Materials: Metals and Non-Metals (Chemical Properties of Metals & Non-Metals)

MCQ▾

Question

Metals when combine with oxygen forms oxides which are

Choices

Choice (4) Response
a.

basic in nature

b.

Neutral in nature

c.

acidic in nature

d. All of the above

Question number: 100

» Science » Class-8 NCERT » Synthetic Fibres and Plastics (Synthetic Fibres)

MCQ▾

Question

Synthetic fibres are also called as:

Choices

Choice (4) Response
a.

Man-made fibres

b.

Elastic fibres

c.

Chemical fibres

d.

Artificial fibres

Question number: 101

» Science » Class-8 NCERT » Materials: Metals and Non-Metals (Chemical Properties of Metals & Non-Metals)

MCQ▾

Question

Displacement reaction is:

Choices

Choice (4) Response
a.

Property of element in which a more reactive element displaces less reactive element from its compound in aqueous solution

b.

Reaction in which more reactive metal displaces a less reactive metal from its salt solution.

c.

Displacement of one metal with another metal

d.

Synthetic fibre which is used in place of wool

Question number: 102

» Science » Class-8 NCERT » Materials: Metals and Non-Metals (Metals & Non- Metals)

MCQ▾

Question

Metal used for the galvanisation of iron is:

Choices

Choice (4) Response
a.

Copper

b.

Magnesium

c.

Zinc

d.

Aluminium

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