Question # 1

________________ solids are hard.

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Ionic

Covalent

Coordinate

Nil

Which of the following is less malleable?

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Sodium

Iron

Gold

Sliver

Neuron was discovered by

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Sir Willium Crooks

Goldstein

James Chadwik

Neil Bohr

The mathematical formula of Boyle's law is:

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PV = k

PT = k

V = kT

T = Vk

T (K) =

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(T) °C + 273

(T) °C -273

(T) °C + 373

(T) °C -373

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

How many time liquids are denser than gases?

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100 times

1000 times

10,000 times

100,000 times

Metals are covered by using.

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Baeyer's test

Bohr's

Electrolysis

None

PCL5 is ________________ shaped.

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Bipyromidal

Angular

Triangular

Linear

Which one of the following non-metal is lustrous?

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Sulphur

Phosphorus

Iodine

Carbon

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

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1

6

7

8

One carbon is _________ times heavier than hydrogen.

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12

13

14

15

Which one of the following will show negligible effect of temperature on its solubility?

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KCI

KNO³

NaNO³

NaCI

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