Question # 1

Bucky balls was discovered in ________________

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1965

1975

1985

1995

Intermolecular forces are of three types and are collectively called ____________

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Nelson' forces

Vander Waal's forces

Neurons

Nil

Gases have fixed ____________

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Shape

Volume

Area

Nil

The simplest of these has formula:

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C60

C10

V20

C30

There are ____________ states of matter

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4

3

2

1

Carbon forms ____________ bonds in diamonds.

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4

3

6

9

Atoms are arranged in ________________ structure in Bucky balls.

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Hollow

Cage

A & B

Nil

Which gas will diffuse faster than others?

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Hydrogen

Oxygen

Chlorine

Nitrogen

1 torr = ?

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1 mm of Hg

1 atm

760 mm of Hg

1 pascal

The forces of attraction present between the molecules of a substance are called ____________ forces.

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Intermolecular forces

Covalent

Ionic

Nil

The mathematical formula of Charle's law is:

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PV = k

V/T = k

P = VT

T/V = k

Solids are fixed ____________

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Shape

Velocity

Mass

Atoms

Intermolecular forces are ____________ than chemical bonds.

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Stronger

Weaker

Wqual

Nil

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