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Chemistry

Chemistry
How many neutrons does iron have

30
26
8
13

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Chemistry
Bleaching action of moist sulphur di-oxide is because of its

Acidic property
Reducing property
Basic property
Oxidising property

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Chemistry
Which of the following chemicals is used in photography ?

Sodium chloride
Potassium nitrate
Aluminium hydroxide
Silver bromide

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Chemistry
Smoke is formed due to

Gas dispersed in gas
Gas dispresed in solid
Solid dispresed in liquid
Solid dispersed in gas

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Chemistry
CNG used in automobiles to check pollution, mainly consists of

N2
CO2
H2
CH4

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Chemistry
Water gas is the mixture of

Carbon dioxide and nitrogen
Carbon monoxide and nitrogen
Carbon monoxide and hydrogen
Carbon dioxide and hydrogen

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