NCERT Based General Studies (GS): Questions 2332 - 2338 of 3450

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Question number: 2332

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

MCQ▾

Question

Food stuffs with acid components should not be stored in the utensils made of metals because:

Choices

Choice (4) Response
a.

Corrosion of metal utensils takes place

b.

Reaction between food stuff and utensil results into the production of toxic compound

c.

Acid in the food stuff react with utensil of metal

d. Both b. and c. are correct

Question number: 2333

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

MCQ▾

Question

Copper reacts with

Choices

Choice (4) Response
a.

Sulphuric acid

b.

Nitric acid

c.

Dilute hydrochloric acid

d. Both a. and b. are correct

Question number: 2334

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

MCQ▾

Question

Which metal react violently with water

Choices

Choice (4) Response
a.

Gold

b.

Sodium

c.

Copper

d.

Silver

Question number: 2335

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

MCQ▾

Question

Metals react with acid and produce

Choices

Choice (4) Response
a.

Sulphur dioxide

b.

Nitrogen dioxide

c.

Hydrogen gas

d.

Oxygen

Question number: 2336

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

MCQ▾

Question

Blending property of polyesters is used in the formation of:

Choices

Choice (4) Response
a.

Mixed with wool to make long lasting fabrics

b.

Aprons and caps

c.

Terrycot, Terrywool, Terrysilk etc.

d.

For making sarees.

Question number: 2337

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

MCQ▾

Question

Phosphorous is stored in water because it is:

Choices

Choice (4) Response
a.

More reactive to water

b.

less reactive to water

c.

Do not react with water

d. None of the above

Question number: 2338

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

MCQ▾

Question

Plastic is

Choices

Choice (4) Response
a.

Strong

b.

Durable

c.

Light

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

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