NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1726 - 1733 of 2029

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Question number: 1726

» Chemistry » Water

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MCQ▾

Question

Pure water is a: -

Choices

Choice (4) Response

a.

Tasteless

b.

Colourless

c.

Odorless

d.

All a. , b. and c. are correct

Question number: 1727

» Chemistry » Water

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MCQ▾

Question

In the following which is the universal solvent?

Choices

Choice (4) Response

a.

Benzene

b.

Ethane

c.

Water

d.

Potassium Chloride

Question number: 1728

» Chemistry » Air Around Us

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MCQ▾

Question

‘Dust particles are a part of atmosphere. These are solid, minute particles floating in the air’.

Choices

Choice (4) Response

a.

Sometimes false

b.

Sometime true

c.

False

d.

True

Question number: 1729

» Chemistry » Water

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MCQ▾

Question

Name of CO + H2 compound

Choices

Choice (4) Response

a.

Hypochlorus acid

b.

Carbon mono oxide

c.

Carbon dioxide

d.

Water gas

Question number: 1730

» Chemistry » Water

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MCQ▾

Question

What is the product when metallic oxides react with water?

Choices

Choice (4) Response

a.

Salt and Water

b.

Water

c.

Alkalis

d.

Salt

Question number: 1731

» Chemistry » Air Around Us

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MCQ▾

Question

Smoke present in air due to burning of fossil fuel. It carries minute particle that cause

Choices

Choice (4) Response

a.

Asthma

b.

Bronchitis

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 1732

» Chemistry » Sorting Materials into Groups

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MCQ▾

Question

Separation of mixture depends upon.

Choices

Choice (4) Response

a.

Shape, color and size

b.

Type of mixture

c.

Melting and Boiling Point

d.

All a. , b. and c. are correct

Question number: 1733

» Chemistry » Sorting Materials into Groups

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MCQ▾

Question

Which of the following gas is easily soluble in water?

Choices

Choice (4) Response

a.

Carbon di-oxide

b.

Hydrogen

c.

Nitrogen

d.

Ammonia

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