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Chemistry

Chemistry
How many neutrons does iron have

30
8
13
26

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Chemistry
Which one of the following gases has the highest calorific value?

Water gas
Natural gas
Indane gas
Coal gas

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Chemistry
Acid rain is caused due to emission of which of the following in to the atmosphere ?

Carbon dioxide and carbon monoxide
Ozone and carbon dioxide
Carbon monoxide and nitrogen
Oxides of nitrogen and sulphur

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Chemistry
Silver halides are used in photographic plates because they are

Reduced by light
Totally colourless
Oxidised in air
Soluble in hyposolution

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Chemistry
Which one of the following elements is used in the manufacture of fertilizers ?

Lead
Potassium
Fluorine
Aluminium

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

CO2
H2
CH4
N2

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MORE MCQ ON Chemistry

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