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Chemistry

Chemistry
The purest form of water in nature is

Sea water
Rain water
River water
Lake water

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Chemistry
What is the element that is in the highest percentage in the composition of the earth ?

Silicon
Magnesium
Iron
Oxygen

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Chemistry
The strongest oxidizing agent among the following is:

Oxygen
Fluorine
Chlorine
Iodine

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Chemistry
The manufacturing of iron from iron ore involves the process of

Oxidation
Electrolysis
Reduction
Fractional distillation

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Chemistry
'Vinegar' is a commercial name of

Acetic acid
Hydrochloric acid
Citric acid
Oxalic acid

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Chemistry
Litmus is obtained from

A fungus
A bacterium
Lichen
An alga

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MORE MCQ ON Chemistry

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