Question # 1

Intermolecular forces are of three types and are collectively called ____________

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Nelson' forces

Vander Waal's forces

Neurons

Nil

Alpha particles are double charged.

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Negative

Positive

Can be both

Nil

Metals are ________________

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Liquid

Solid

Gas

Malleable

The mathematical formula of Charle's law is:

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PV = k

V/T = k

P = VT

T/V = k

The unit of Molarity is :

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Molar

Volume

Both

Nil

The example of solid solute in gas solvent is

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butter

Sugar in water

Smoke in air

Opals

Mendeleev periodic table was based upon the:

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electronic configuration

atomic mass

atomic number

completion of a subshell

In 9th century scientist accepted by:

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Dalton

Bohars

Rutherford

Nil

The bond in covalent compound is ________________

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Covalent

Ionic

Dative

Couple

"Atoms" means _________

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Divisible

Indivisible

Break

Nil

A _________ is a pure substance is made up of two or more elements.

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Mixture

Elements

Solution

Compound

The no.of elements in the first period is

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2

8

18

23

Potassium's atomic no. is :

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17

18

19

20

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