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Chemistry

Chemistry
Find the odd one:

Slaked lime
Chalk
Marble
Limestone

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Chemistry
The percentage of Nitrogen in Air is

78.03
0.03
0.94
85.02

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Chemistry
What is the element required for solar energy conversion ?

Tantalum
Silicon
Beryllium
Ultra pure carbon

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Chemistry
If lime water is kept in the air, it turns milky due to presence of :

Oxygen
Sulphurdioxide
Nitrogen
Carbondioxide

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Chemistry
The chemical that is used to ripen mangoes is

Calcium chloride
Calcium carbide
Calcium sulphide
Calcium carbonate

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Chemistry
Cloud is a colloidal dispersion of

Air in a dispersion medium of water
Mist in a dispersion medium of air
Fog in a dispersion medium of water
Water drops in a dispersion medium of air

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MORE MCQ ON Chemistry

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