Question # 1

Air is an example of:

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Gas in gas

Solid in gas

Liquid in gas

Gas in ;iquid

Intermolecular forces are ____________ than chemical bonds.

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Stronger

Weaker

Wqual

Nil

In diamonds, carbon are ____________ bonded.

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Tetrahedrally

Single

Double

None

The No. of atoms in 1 mole of carbiton is

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6.02 x 1021

6.02 x 1022

6.02 x 1023

6.02 x 1024

Fog is an example of ____________ in gas.

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Solid

Liquid

Gas

Plasma

____________ is an irreversible cell.

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Dry cell

Chargeable cell

Zn cell

None of these

The shape of H2O is ________________

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Angular

Linear

Triangular

All of above

When U-235 breaks up, it produces?

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electrons

neutrons

protons

nothing

Bucky balls are ____________ allotropic forms of carbon.

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1st

2nd

3rd

4th

Atoms are arranged in ________________ structure in Bucky balls.

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Hollow

Cage

A & B

Nil

Metal can form ions carrying charges:

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Uni-positive

Di-positive

Tri-Positive

All of them

Bucky balls was discovered in ________________

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1965

1975

1985

1995

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