Question # 1

Metals are covered by using.

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Baeyer's test

Bohr's

Electrolysis

None

____________ used to remove nail polish.

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Acetyline

Acetone

H2O

Nil

Octet rule is:

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description of eight electrons

picture of electronic configuration

covalent bonding

attaining of eight electrons

When a saturated solution is diluted it tuns into:

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supersaturated solution

saturated solution

a concentrated solution

unsaturated solution

Graphite is ___________

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Hard

Nil

Soft

Nil

The no.of neutrons in deutrium is

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1

2

3

4

Gold was used for utensils as early as ____________ BC.

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3400

3500

3600

3700

The amount of energy given out when an electron is added to any atom is called:

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lattice energy

ionization energy

electronegative

electron affinity

Which has lowest density?

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liquids

Solids

Gases

Plasma

Which molecules is donor in nature?

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H₂

NH₃

O₂

HF

Atoms are arranged in ________________ structure in Bucky balls.

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Hollow

Cage

A & B

Nil

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

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Intermolecular forces

Covalent

Ionic

Nil

P1V1 = P2V2 is mathematical form of ____________ law.

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Bohr's

Charles

Boyle's

Nil

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