NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1923 - 1930 of 2028

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Question number: 1923

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

Select the most reactive metal among the following set of metals?

Choices

Choice (4)Response

a.

Aluminium

b.

Calcium

c.

Lead

d.

Nickel

Question number: 1924

» Chemistry » Combustion and Flame

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MCQ▾

Question

________ is the process in which a substance is burned in presence of air with evolution of heat?

Choices

Choice (4)Response

a.

Combustion

b.

Distillation

c.

Carbonisations

d.

Refining

Question number: 1925

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

The colour of Iodine is?

Choices

Choice (4)Response

a.

Violet

b.

White

c.

Green

d.

Brown

Question number: 1926

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

Which of the following compound is used to make photographic films?

Choices

Choice (4)Response

a.

Sodium chloride

b.

Potassium iodide

c.

Silver bromide

d.

Copper chloride

Question number: 1927

» Chemistry » Coal and Petroleum

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MCQ▾

Question

Which of the following is a factor for producer gas as being a bad fuel?

Choices

Choice (4)Response

a.

Presence of

b.

It contains

c.

It contains

d.

None of the above

Question number: 1928

» Chemistry » Coal and Petroleum

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MCQ▾

Question

Commonly used coal in household things is known as?

Choices

Choice (4)Response

a.

Anthracite

b.

Peat

c.

Bituminous

d.

Lignite

Question number: 1929

» Chemistry » Coal and Petroleum

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MCQ▾

Question

Select the main component of natural gas?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1930

» Chemistry » Coal and Petroleum

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MCQ▾

Question

Select one liquid from the following which is coloured, viscous, strong smelling in nature.

Choices

Choice (4)Response

a.

Alcohol

b.

Petroleum

c.

Kerosene

d.

Petrol

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