Question # 1

Metal can form ions carrying charges:

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Uni-positive

Di-positive

Tri-Positive

All of them

Ionic compound are ________________ in water.

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insoluble

Soluble

Covalent

Solvent

The mixture of two component is called .

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Homogeneous mixture

Binary solution

Both a & b

Nil

Carbon forms ____________ bonds in diamonds.

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4

3

6

9

Industrial chemistry deals with the manufacturing of compounds:

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in the laboratory

on micro scale

on commercial scale

on economic scale

Water is a ____________ covalent compound .

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Polar

Non polar

Ionic

Nil

Which one of the following metals burns with a brick red flame?

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Sodium

Magnesium

Iron

Calcium

All metals are solid except

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AI

Mg

Na

Hg

The right most position in the periodic table is occupied by:

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Alkall metals

Alkaline earth metals

Translation metals

Noble gasses

In isotopes numbers of ________________ is same.

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Protons

Electrons

Neutrons

Mass number

_________ can be separated by physical means.

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Mixture

Compound

Solution

Nil

Sodium is exterminate reactive metal, but it does not react with:

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Hydrogen

Nitrogen

Sulphur

Phosphorus

Mixture has _________ types.

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3

2

1

No types

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