NCERT Based General Studies (GS): Questions 2354 - 2362 of 3450

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Question number: 2354

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

MCQ▾

Question

Metal present in chlorophyll is:

Choices

Choice (4) Response
a.

Oxygen

b.

Magnesium

c.

Hydrogen

d.

Iron

Question number: 2355

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

MCQ▾

Question

Sulphur reacts with:

Choices

Choice (4) Response
a.

Dilute hydrochloric acid

b.

Hot Concentrated Nitric acid

c.

Concentrated sulphuric acid

d.

Concentrated hydrochloric acid

Question number: 2356

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

MCQ▾

Question

Electric wires and cables are made up of:

Choices

Choice (4) Response
a.

Zinc

b.

Copper

c.

Aluminium

d.

Magnesium

Question number: 2357

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

MCQ▾

Question

Oxygen is used

Choices

Choice (4) Response
a.

As fuel

b.

In Crackers

c.

In making antiseptic

d.

For breathing purpose

Question number: 2358

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

MCQ▾

Question

The plastic which can be moulded is

Choices

Choice (4) Response
a.

Thermosetting

b.

Polythene

c.

None

d.

Thermoplastic

Question number: 2359

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

MCQ▾

Question

Polyester is inert to sea water thus it is used for making of:

Choices

Choice (4) Response
a.

Sail boats, water hoses for fighting and as a packing material for food

b.

For making base of magnetic recording tape.

c.

For making bottles and containers

d.

For making swim wears

Question number: 2360

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

MCQ▾

Question

One fully synthetic fibre is:

Choices

Choice (4) Response
a.

Nylon

b.

Rayon

c.

Polyesters

d.

Acrylic fibres

Question number: 2361

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

MCQ▾

Question

Bakelite is an example of:

Choices

Choice (4) Response
a.

a and b

b.

Thermosetting plastics

c.

Thermoplastic plastics

d.

Polythene

Question number: 2362

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

MCQ▾

Question

What are the characteristics of thermoplastic?

Choices

Choice (4) Response
a.

They soften on warming.

b.

They stretch easily.

c.

They are flexible.

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

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