Chemistry-The Nature of Matter [NSO Level 1- Science Olympiad (SOF) Class 9]: Questions 1 - 6 of 52

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Question number: 1

» Chemistry » The Nature of Matter

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MCQ▾

Question

The solvent in tincture of iodine solution is

Choices

Choice (4)Response

a.

Alcohol

b.

Water

c.

Iodine

d.

All of the above

Question number: 2

» Chemistry » The Nature of Matter

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MCQ▾

Question

Which type of mixture is separated by this method illustrated in the picture?

Mixture of acetone and water

Mixture of Acetone and Water

Choices

Choice (4)Response

a.

Two miscible liquids with sufficient difference in boiling points

b.

Two immiscible liquids with sufficient difference in boiling points

c.

Two miscible liquids with same boiling points

d.

Two immiscible liquids with same boiling points

Question number: 3

» Chemistry » The Nature of Matter

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MCQ▾

Question

This technique in the picture was first used for separating

Choices

Choice (4)Response

a.

Colours in a dye

b.

Drugs from blood

c.

Pigments from natural colour.

d.

None of the above

Question number: 4

» Chemistry » The Nature of Matter

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Question

Which of the following is not a property of metals

Choices

Choice (4)Response

a.

They conduct heat and electricity

b.

They are lustrous

c.

They display a variety of colours

d.

They are malleable, ductile and sonorous

Question number: 5

» Chemistry » The Nature of Matter

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MCQ▾

Question

The solute in soda water is

Choices

Choice (4)Response

a.

Soda

b.

Sodium chloride

c.

Carbon dioxide

d.

None of the above

Question number: 6

» Chemistry » The Nature of Matter

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MCQ▾

Question

Which of the following is not the property of a colloidal solution?

Choices

Choice (4)Response

a.

The particles are uniformly spread throughout the solution

b.

Tyndall effect can be observed in it

c.

It is a heterogenous solution

d.

We cannot see the particles with naked eye

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