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Chemistry

Chemistry
Which one is the most reactive halogen

Iodine
Chlorine
Fluorine
Bromine

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Chemistry
Iron and manganese present as pollutants in water cannot be removed by________

Chlorination
Ion exchange process
Lime soda process or manganese zeolite process
Oxidation followed by settling and filtration

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Chemistry
Which one is the purest form of carbon

Iron
Coal
Diamond
Graphite

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Chemistry
The major use of sulphur is in the manufacture of

H2S
Fungicide
H2SO4
SO2

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Chemistry
The number of neutrons present in an element having mass number 226 and atomic number 88 is :

88
314
50
138

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Chemistry
The chemical name of ‘Common salt’ is

Ammonium chloride
Sodium nitrate
Calcium chloride
Sodium chloride

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MORE MCQ ON Chemistry

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