Question # 1

Mark the incorrect statement about ionization energy:

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it is measured in Kjmol^-1

it is absorption of energy

it decreases in period

it decreases in a group

There are ____________ types of solids.

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1

2

6

4

positive ion hare formed by _________ of electrons.

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Gain

Loss

Sharing

Bonding

All non-metals are non-conductor of heat and electricity except it

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Phosphorous

Sulphur

Graphite

Iodine

Elements are represented by chemical _________

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Abbreviation

Unit

Symbols

It can be represented

Which one of the following does not affect the boiling point?

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intermolecular forces

external pressure

nature of liquid

initial temperature of liquid

4th & 5th consist of ________________ elements.

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8

18

32

infinite

When a saturated solution is diluted it tuns into:

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supersaturated solution

saturated solution

a concentrated solution

unsaturated solution

Atoms reacts with each other because:

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They are attracted to each other

they are short of electrons

they want to attain stability

they want to disperse

The no.of electrons in the valence shell of noble gases is

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1

6

7

8

Gases have fixed ____________

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Shape

Volume

Area

Nil

The mass of one molecule of water is:

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18 amu

18g

18mg

18kg

H8+ _ Cl8- , the charge on H is.

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_

+

Neutral

Nil

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