NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1803 - 1810 of 2029

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Question number: 1803

» Chemistry » Sorting Materials into Groups

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Question

Which of the following substance are most soluble in water at 0C?

Choices

Choice (4)Response

a.

Potassium Chloride

b.

Sodium Nitrate

c.

Potassium Sulphate

d.

None of the above

Question number: 1804

» Chemistry » Water

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Question

Action on carbides for water

Choices

Choice (4)Response

a.

Inorganic compound forms

b.

Organic compound forms

c.

Base forms

d.

Acid forms

Question number: 1805

» Chemistry » Sorting Materials into Groups

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Question

Which of the following material is made from wood?

Choices

Choice (4)Response

a.

Shirt

b.

Book

c.

Chair

d.

Wrist watch

Question number: 1806

» Chemistry » Sorting Materials into Groups

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Question

Which of the following material is a magnetic substance?

Choices

Choice (4)Response

a.

Nickel

b.

Plastic

c.

Wood

d.

Aluminum

Question number: 1807

» Chemistry » Water

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Question

Complete the following reaction

2HClO → + O2

Choices

Choice (4)Response

a.

3HCl

b.

2HCl

c.

HClO

d.

HCl

Question number: 1808

» Chemistry » Water

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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

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