NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1808 - 1815 of 2029

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Question number: 1808

» Chemistry » Water

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MCQ▾

Question

If 70ml HCl is mixed with 30ml of water the volume will be

Choices

Choice (4) Response

a.

100%

b.

30%

c.

40%

d.

70%

Question number: 1809

» Chemistry » Sorting Materials into Groups

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Question

Heterogeneous mixture can be separated by methods.

Choices

Choice (4) Response

a.

Complex Chemical

b.

Simple Physical

c.

None of the above

d.

All of the above

Question number: 1810

» Chemistry » Sorting Materials into Groups

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Question

If an object is allowing heat and electricity to pass through it then it is known as a good –

Choices

Choice (4) Response

a.

Metal

b.

Insulator

c.

Copper

d.

Conductor

Question number: 1811

» Chemistry » Air Around Us

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MCQ▾

Question

Burning needs gas to burn.

Choices

Choice (4) Response

a.

Oxygen

b.

Nitrogen

c.

Question does not provide sufficient data or is vague

d.

None of the above

Question number: 1812

» Chemistry » Water

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MCQ▾

Question

What will be the color of water when calcium is gently dropped on cold water?

Choices

Choice (4) Response

a.

Turns it lime yellow

b.

Turns it red

c.

Turns it blue

d.

Turns it milky

Question number: 1813

» Chemistry » Air Around Us

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MCQ▾

Question

Mercury causes disease

Choices

Choice (4) Response

a.

Minamata

b.

Brain damage

c.

Mental problem

d.

All a. , b. and c. are correct

Question number: 1814

» Chemistry » Sorting Materials into Groups

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MCQ▾

Question

Alcohol is in water

Choices

Choice (4) Response

a.

Miscible

b.

Filtered

c.

Immiscible

d.

All of the above

Question number: 1815

» Chemistry » Air Around Us

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MCQ▾

Question

Who discovered mephitic air?

Choices

Choice (4) Response

a.

Antoine Lavoisier

b.

Daniel Rutherford

c.

Joseph Priestly

d.

Question does not provide sufficient data or is vague

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