Question # 1

The practical unit of concentration is

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%v/v

%v/m

%m/m

M

The p subshell has:

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one orbital

two orbitals

three orbitals

four orbitals

When a saturated solution is diluted it tuns into:

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supersaturated solution

saturated solution

a concentrated solution

unsaturated solution

The formula of rust is:

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Fe₂O₃,nH₂o

Fe₂O₃

Fe(OH)₃-nH₂O

Fe(OH)₃

The simplest of these has formula:

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C60

C10

V20

C30

All ionic compound are ________________ at room temperature.

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Liquid

Solids

Gas

Plasma

Spontaneous chemical reactions take place in:

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electrolytic cell

Galvanic cell

Nelson' s cell

downs cell

Air is an example of:

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Gas in gas

Solid in gas

Liquid in gas

Gas in ;iquid

The value of Avogadro 'no is:

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6.023×1024

6.023×1026

6.023×1023

6.023×1020

CO2 the oxidation number of C =.

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+1

+2

+3

+4

Fog is an example of ____________ in gas.

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Solid

Liquid

Gas

Plasma

The maximum no.of electrons that can be accommodated in M shell are

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2

8

18

32

Which one of the following is the weakest force among the atom?

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ionic force

metallic force

intermolecular force

covalent force

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