Question # 1

The vertical columns present in the priodic table are called.

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Group

Period

Both a and b

None of these

Number of protons in the nucleus of an atom is called.

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Atomic number

Mass Number

Mass Unit

Electron Number

The unit of ionization energy is

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nm and pm

kJ mol-1

Pascal

Newton

To Identify the concentration of a particular solution through titration is and application of.

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astrochemistry

analytical chemistry

geochemistry

Organic chemistry

The nucleus of an atom is composed of

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Electrons

Electons and protons

Protons and neutrons

Electrons and neutrons

If reversibe reaction useful for preparing compounds on large scale.

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Yes

No

They are useful only when equilirbium lies far to the left side

They are useful only when equilibrium lies far to the right side

Whcih of the following atoms obey duplet rule.

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O₂

Cl₂

H₂

Li₂

The boiling point of water is

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O ^oC

100 ^oC

35 ^oC

25 ^oC

How many electrons can nitrogen accept in its outermost shell.

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2

3

4

5

The forward reaction takes place from

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Right to left

Left to right

Both a and b

None of these

Ionic compund are good conductors electricity in

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Solution

Molten state

Solid state

both a and b

Who performed fist experiment to split atom

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Bohr

Newton

Rutherford

Soddy

The new substance formed in a chemcial reaction is.

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Reverse

Reactant

Forward

Product

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