Question # 1

1 torr = ?

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1 mm of Hg

1 atm

760 mm of Hg

1 pascal

NaCl + H2O is ____________ solutions.

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Aqueous

Binary

H2O

Nil

The escape of gaseous molecules one by one is called ____________.

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Diffusion

Effusion

A & b

Nil

Atoms are arranged in ________________ structure in Bucky balls.

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Hollow

Cage

A & B

Nil

Which one of the following is not amorphous?

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rubber

plastic

glass

glucose

Mass per unit volume is:

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Velocity

Dencity

Pressure

Nil

Bucky molecules have ________________ c-atoms.

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20-60

20-90

40-60

40-100

The simplest of these has formula:

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C60

C10

V20

C30

Carbon forms ____________ bonds in diamonds.

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4

3

6

9

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

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0

-2

-1

1

Solids are fixed ____________

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Shape

Velocity

Mass

Atoms

Mobility is property of ____________

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Liquid

Gases

A & b

Nil

Es is symbol of :

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Erbium

Einsteinium

Europium

Fremium

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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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