Question # 1

An atom having six electrons in its achieve noble electronic configuration by:

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gaining one electron

losing all electrons

gaining two electrons

losing two electrons

Which is an acceptor molecule/ion?

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N₂

O₂

H⁺

CH₄

All ionic compound are ________________ at room temperature.

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Liquid

Solids

Gas

Plasma

The colour of calcium metal flame is

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Golden yellow

Brilliant white

Brick red

Light green

The fundamental unit of elements is ___________

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Molecule

Atom

Matter

Mixture

CO2 the oxidation number of C =.

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+1

+2

+3

+4

A two component solution is called ____________ solutions.

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Binary

Once

Both

None

Suspension's solute particles ____________ at bottom.

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Dissolves

Settle

Both

Nil

The core of the earth is mostly made from ____________

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Nickel

Iron

A % B

Copper

Na__ Na++ e , what type of ionit is :

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Positive

Negative

Neutral

Charged

The property of being polar in nature is called:

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Polarity

Chemistry

Both

Nil

All electrolytes are:

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Conductor

Insulator

Semi conductor

Nil

Mass per unit volume is:

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Velocity

Dencity

Pressure

Nil

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9th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers

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