Science (NCERT Based General Studies (GS)): Questions 103 - 110 of 1207

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Question number: 103

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

MCQ▾

Question

Metals are:

Choices

Choice (4) Response

a.

Bad conductor of electricity

b.

Good Conductor of electricity

c.

Semi -conductor of electricity

d.

All of the above

Question number: 104

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

MCQ▾

Question

Metals used in formation of alloys are:

Choices

Choice (4) Response

a.

Magnesium, Lead

b.

Magnesium, Lead, Copper

c.

Copper, Lead

d.

Zinc, Aluminium

Question number: 105

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

MCQ▾

Question

Plastics whose shape cannot be changed even by heating are:

Choices

Choice (4) Response

a.

Thermoplastic

b.

a and b

c.

Thermosetting

d.

Polythene

Question number: 106

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

MCQ▾

Question

The characteristics of synthetic fibres are:

Choices

Choice (4) Response

a.

Not attacked by insects and pests

b.

More durable

c.

Less Expensive

d.

All a. , b. and c. are correct

Question number: 107

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

MCQ▾

Question

Another name for rayon is:

Choices

Choice (4) Response

a.

Synthetic fibre

b.

Artificial fibre

c.

Artificial silk

d.

Man-made fibre

Question number: 108

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

MCQ▾

Question

Pop sound indicates that:

Choices

Choice (4) Response

a.

Metals do not react with bases

b.

Metals react with bases and produce hydrogen gas

c.

Metal react with bases

d.

Non-Metals react with bases

Question number: 109

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

MCQ▾

Question

Oxides of Non-Metals are:

Choices

Choice (4) Response

a.

Amphoteric in nature

b.

Acidic in nature

c.

Neutral in nature

d.

Basic in nature

Question number: 110

» Science » Class-8 NCERT » Synthetic Fibres and Plastics (Plastics as Materials of Choice)

MCQ▾

Question

Plastic is used for storing chemicals in laboratory because

Choices

Choice (4) Response

a.

Plastic containers do not get corroded

b.

They resist chemical attack

c.

It is non-reactive

d.

All a. , b. and c. are correct

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