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Chemistry

Chemistry
Litmus is obtained from

A fungus
A bacterium
An alga
Lichen

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Chemistry
Ultraviolet rays can be used in water treatment as

Disinfectant
Precipitator
Hydrolyser
Flocculator

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Chemistry
Muscle fatigue is caused by the accumulation of :

Pyruvic acid
Uric acid
Lactic acid
Oxalacetic acid

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Chemistry
The metal that is used as a catalyst in the hydrogenation of oils is

Ni
Pt
Pb
Cu

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Chemistry
The chemical that is used to ripen mangoes is

Calcium carbide
Calcium carbonate
Calcium chloride
Calcium sulphide

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Chemistry
Which one is not a pure form of carbon

Graphite
Diamond
Coal
Gold

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