NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1775 - 1782 of 2029

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Question number: 1775

» Chemistry » Sorting Materials into Groups

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Question

The insoluble solids left on filter paper is called

Choices

Choice (4) Response

a.

Tissue

b.

Residue

c.

Question does not provide sufficient data or is vague

d.

None of the above

Question number: 1776

» Chemistry » Sorting Materials into Groups

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Question

Which device is used to determine relative density of a substance?

Choices

Choice (4) Response

a.

Hyetograph

b.

Hygrometer

c.

Six’s thermometer

d.

Hydrometer

Question number: 1777

» Chemistry » Sorting Materials into Groups

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Question

The solubility of Glauber’s salt is maximum at which temperature below 40C.

Choices

Choice (4) Response

a.

32.8Celsius

b.

34.2Celsius

c.

39Celsius

d.

32.7Celsius

Question number: 1778

» Chemistry » Sorting Materials into Groups

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Question

The Relative Density of the substance has ________ relation with its water in comparison with water.

Choices

Choice (4) Response

a.

Not defined

b.

No

c.

Inverse

d.

Direct

Question number: 1779

» Chemistry » Sorting Materials into Groups

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Question

Formation of mixture does not evolve any change in.

Choices

Choice (4) Response

a.

Energy

b.

Mixture

c.

None of the above

d.

Question does not provide sufficient data or is vague

Question number: 1780

» Chemistry » Water

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Question

10 gm of NaCl is add to 90 gm of water the concentration will be?

Choices

Choice (4) Response

a.

20%

b.

30%

c.

10%

d.

12%

Question number: 1781

» Chemistry » Air Around Us

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Question

Air is mostly polluted by.

Choices

Choice (4) Response

a.

Volcanic eruption

b.

Crop rotation

c.

Human activities

d.

All of the above

Question number: 1782

» Chemistry » Air Around Us

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MCQ▾

Question

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

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