Question # 1

Halogens with metals for

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Ionic bond

Covalent bond

Dative covalent bond

Metallic bond

4th & 5th consist of ________________ elements.

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8

18

32

infinite

.................... of an atom is not fixed.

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Size

Mass

Electronegativity

Nuclear char

Which one metal can be cut with a knife?

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Na

Mg

AI

Ca

In period, ionization energy of elements

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Increases

Decreases

Remains constant

None of these

Metal can form ions carrying charges:

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Uni-positive

Di-positive

Tri-Positive

All of them

The isotopes of an element have different number of

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Electrons

Protons

Neutrons

Protons & Neutrons

Mobility is property of ____________

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Liquid

Gases

A & b

Nil

The example of solution of a solid solute in a solid solvent is

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Brass

Fog

Cheese

Air

Which one is not a property of electrolytic cell?

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It consists of one complete cell

Anode has +ve charge

It converts electrical energy into chemical one

Anode has -ve charge

The study of hydrocarbons and their derived compounds is called

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Physical chemistry

Inorganic chemistry

Organic chemistry

Biochemistry

One mole of sodium = ______ .

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24 g

25 g

26 g

23 g

Which of the following compound is not directional in its bonding?

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CH⁴

KBr

CO²

H₂O

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