Question # 1

Carbon exists in ________________ allotropic forms.

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1

2

3

4

There are ____________ states of matter

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4

3

2

1

Which is kept constant in the Charle's law:

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Pressure

Temperature

Volume

Mass

P1V1 = P2V2 is mathematical form of ____________ law.

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Bohr's

Charles

Boyle's

Nil

When temperature of water drops to ____________ °C it convert onto ice.

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0

-2

-1

1

There are ____________ types of solids.

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1

2

6

4

Density of a gas increases, when its:

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temperature is increased

pressure is increased

volume is kept constant

none of these

Which one of the following gas diffuses faster?

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hydrogen

helium

fluorine

chlorine

Atoms are arranged in ________________ structure in Bucky balls.

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Hollow

Cage

A & B

Nil

The simplest of these has formula:

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C60

C10

V20

C30

One atmospheric pressure is equal to how many pascals?

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101325

10325

106075

10523

T (K) =

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(T) °C + 273

(T) °C -273

(T) °C + 373

(T) °C -373

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9th Class Chemistry Chapter 5 Physical States of Matter English Medium KPK Boards Online Mcqs MCQs With Answers

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