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Chemistry

Chemistry
KMnO4 can be used as a/an

Insecticide
Pesticide
Disinfectant
Fertiliser

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Chemistry
Which of the following is the major constituent of LPG?

Methane
Butane
Ethane
Propane

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Chemistry
An inert gas mixed with oxygen given to patients suffering from restricted breathing is

Radon
Argon
Krypton
Helium

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Chemistry
Maximum permissible concentration of total hardness in drinking water is

50
100
500
200

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Chemistry
Nitrification is the biological process of converting

Ammonia into N2
N2 into nitrate
N2into nitrite
Ammonia into nitrite

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

Acidic property
Oxidising property
Reducing property
Basic property

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MORE MCQ ON Chemistry

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