Question # 1

Which of the following does not affect solubility?

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Temperature

Pressure

Nature OF SOLVENT

Area

H2O is what type of molecules it is:

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Manoatomic

Polyatomic

Pentaatomic

Nil

Gold can only be dissolved by:

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Acids

Bases

Aqua Regia

Nil

Reduction means

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Removal of H2

Removal of electrons

Gain of electrons

Gain of O2

____________ Is drawn in wires.

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Gold

Silver

Helium

Nil

Which of the following can accommodate 18 electrons?

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K

L

M

N

_________ is an example of substance.

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Carbon

Hydrogrn

Oxygen

Water

Alpha particles are double charged.

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Negative

Positive

Can be both

Nil

The third abundant as found in the earth' crust is:

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Carbon monoxide

Oxygen

Nitrogen

Argon

Carbon forms ____________ bonds in diamonds.

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4

3

6

9

A binary solution consists of:

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One component

Two components

Three components

Many components

How many number of electrons take part in triple covalent bond?

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2

4

6

8

Es is symbol of :

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Erbium

Einsteinium

Europium

Fremium

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Chemistry 9th Class English Medium Online Test MCQs With Answers

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