NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1734 - 1740 of 2029

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Question number: 1734

» Chemistry » Sorting Materials into Groups

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Question

Evaporation is the process in which

Choices

Choice (4) Response

a.

Solid changes to gas

b.

Gas changes to liquid

c.

Liquid changes to solid

d.

Liquid changes to gas

Question number: 1735

» Chemistry » Air Around Us

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Question

Radon is radioactive and it belongs to the family of ________ gases.

Choices

Choice (4) Response

a.

Noble

b.

Oxygen

c.

Halogen

d.

All of the above

Question number: 1736

» Chemistry » Water

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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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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

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