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Chemistry

Chemistry
Charcoal is used in water treatment as a/an

Adsorbent
Coagulant
Solvent
Absorbent

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Chemistry
The aqueous solution of potassium chloride is

A strong electrolyte
A non-electrolyte
A weak electrolyte
Initially weak and then become a strong electrolyte

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Chemistry
If there is one million Mg2+ ions in MgCl2, how many chloride ions are there?

Ten million
Two million
One million
Half a million

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Chemistry
Which is not a green house gas ?

CO2
CH4
N2O
Chlorofluorocarbons

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Chemistry
Water can be separated from alcohol water mixture by

Evaporation
Decantation
Sublimation
Distillation

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Chemistry
What is the atomic number of mercury

80
41
32
63

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MORE MCQ ON Chemistry

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