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Chemistry

Chemistry
The major constituent of air is

hydrogen
oxygen
nitrogen
carbon dioxide

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Chemistry
Muscle fatigue is caused by the accumulation of :

Oxalacetic acid
Uric acid
Pyruvic acid
Lactic acid

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Chemistry
Highest percentage of carbon is found in which form of coal?

Bituminous
Anthracite
Lignite
Peat

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Chemistry
The mass of one Avogadro number of helium atom is

4 x 6.02 x 1023 gram
8.00 gram
1.00 gram
4.00 gram

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Chemistry
Removal of carbon particles from air involves the principle of

Filteration
Precipitation
Electrophoresis
Sedimentation

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Chemistry
German silver used for making utensils is an alloy of

Copper, zinc, aluminium
Copper, zinc, nickel
Copper, nickel, aluminium
Copper, silver, nickel

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MORE MCQ ON Chemistry

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