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Chemistry

Chemistry
Water can be separated from alcohol water mixture by

Evaporation
Decantation
Distillation
Sublimation

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Chemistry
The oil used in the froth floatation process is

pine oil
kerosene oil
olive oil
coconut oil

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Chemistry
The laws of electrolysis are given by

Ostwald
Lewis
Arrhenius
Faraday

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Chemistry
Hydrogen is not found in atmosphere because

It is highly inflammable
It immediately combines with oxygen to form water
It is absorbed by plants
It is the lightest gas

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Chemistry
Muscle fatigue is caused by the accumulation of :

Uric acid
Oxalacetic acid
Lactic acid
Pyruvic acid

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Chemistry
What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ?

There is a crackling sound
There is no reaction.
The paper ignites
There is a violent explosion.

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