NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1736 - 1741 of 2029

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Question number: 1736

» Chemistry » Water

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MCQ▾

Question

How to calculate volume percent in water

Choices

Choice (4)Response

a.

[ (Volume of solute) / (volume of solvent + volume of solute) ] *100

b.

[ (Volume of solvent + volume of solute) /volume of solute] *100

c.

None of the above

d.

Question does not provide sufficient data or is vague

Question number: 1737

» Chemistry » Air Around Us

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MCQ▾

Question

In atmosphere by percentage proportion of gases by volume ________ gas is most abundant.

Choices

Choice (4)Response

a.

Carbon di-oxide

b.

Oxygen

c.

Nitrogen

d.

Question does not provide sufficient data or is vague

Question number: 1738

» Chemistry » Sorting Materials into Groups

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MCQ▾

Question

Which of the following materials is mostly used in making utensils?

Choices

Choice (4)Response

a.

Steel

b.

Gold

c.

Plastic

d.

Tin

Question number: 1739

» Chemistry » Sorting Materials into Groups

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MCQ▾

Question

Which material is soluble in water?

Choices

Choice (4)Response

a.

Chromium III phosphate

b.

Barium chlorate

c.

Lead oxide

d.

Sodium chloride

Question number: 1740

» Chemistry » Water

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MCQ▾

Question

Plants also lose water into air through a process called

Choices

Choice (4)Response

a.

Diffusion

b.

Osmosis

c.

Transpiration

d.

None of the above

Question number: 1741

» Chemistry » Water

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MCQ▾

Question

If 30ml of alcohol is mixed with 70ml of water to get 100ml of solution volume percent will be

Choices

Choice (4)Response

a.

30%

b.

100%

c.

70%

d.

40%

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