Question # 1

Gases are the lightest form of mater and their densities are expressed in terms of:

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mg cm^-3

g cm^-3

g dm^-3

kg dm^-3

Carbon forms ____________ bonds in diamonds.

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4

3

6

9

1 torr = ?

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1 mm of Hg

1 atm

760 mm of Hg

1 pascal

Es is symbol of :

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Erbium

Einsteinium

Europium

Fremium

Force per unit area is called:

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volume

pressure

weight

density

There are ____________ types of solids.

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1

2

6

4

One atmospheric pressure is equal to how many pascals?

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101325

10325

106075

10523

Mass per unit volume is:

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Velocity

Dencity

Pressure

Nil

The reverse of evaporation is:

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Boiling

Diffusion

Condensation

Freezing

Bucky Balls are used as ________________

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Cutting

Grafting

Lubricants

Nil

Graphite is ___________

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Hard

Nil

Soft

Nil

1 atm = ?

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1 pascal

760 mm of Hg

1 atm

1 Nm^-2

Diamonds exists in ____________ form.

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Cubic

Linear

Circular

Nil

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