NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1782 - 1788 of 2029

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Question 1782

Question

MCQ▾

If humidity is amount of moisture present in air then moisture?

Choices

Choice (4)Response

a.

Humidity

b.

Vapour

c.

None of the above

d.

Question does not provide sufficient data or is vague

Question 1783

Question

MCQ▾

Mixture of liquid + gas is always .

Choices

Choice (4)Response

a.

Homogeneous Mixture

b.

Heterogeneous Mixture

c.

All of the above

d.

Question does not provide sufficient data or is vague

Question 1784

Edit

Statement

True-False▾

‘Helium is very heavy gas’ .

Question 1785

Question

MCQ▾

Who has recognized that water is a chemical compound and made up of two elements?

Choices

Choice (4)Response

a.

Henry Cavendish

b.

A. I. Lavoisier

c.

Robert Boyle

d.

None of the above

Question 1786

Question

MCQ▾

Homogeneous liquid – liquid mixture are also called .

Choices

Choice (4)Response

a.

Miscible liquid

b.

Immiscible liquid

c.

Filtered liquid

d.

All of the above

Question 1787

Question

MCQ▾

What happens when calcium is react with litmus paper?

Choices

Choice (4)Response

a.

Turns blue litmus to red

b.

Turns red litmus to blue

c.

Neutral

d.

Question does not provide sufficient data or is vague

Question 1788

Question

MCQ▾

Why sodium kept in kerosene oil?

Choices

Choice (4)Response

a.

It is poison

b.

It catches fire

c.

It turns its color

d.

It forms oxygen

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