Question # 1

Carbon exists in ________________ allotropic forms.

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1

2

3

4

The atomic number of potassium is:

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11

15

18

19

Modern periodic table can be classified into ________________.

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Elements

s, p, d, f blocks

Periods

ROWS

The atomic number of sodium is ............... .

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9

10

11

12

In ionic bond complete ________________ of electrons occurs.

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Paring

Sharing

Transfer

None

____________ used to remove nail polish.

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Acetyline

Acetone

H2O

Nil

P1V1 = P2V2 is mathematical form of ____________ law.

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Bohr's

Charles

Boyle's

Nil

A binary solution consists of:

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One component

Two components

Three components

Many components

Which of the following does not affect solubility?

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Temperature

Pressure

Nature OF SOLVENT

Area

Gases produced in Nelson's cell are:

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H₂ and O₂

H₂ and CI₂

H₂ and N₂

CI₂ and O₂

Which one of the following is liquid in solid solution?

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sugar in water

butter

opal

fog

the homogeneous mixture of two or more substances is ____________.

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Solution

Stronger

Suspension

None

Which is kept constant in the Charle's law:

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Pressure

Temperature

Volume

Mass

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