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Chemistry

Chemistry
The gas that is used in the manufacture of vanaspati ghee is :

Nitrogen
Hydrogen
Oxygen
Carbon dioxide

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Chemistry
Which of the following is a commercial source of energy?

Agricultural waste
Natural gas
Dried dung
Sun

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Chemistry
A mixture of water and alcohol can be separated by

Filtration
Evaporation
Decantation
Distillation

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Chemistry
Rusting of iron takes place due to

Oxidation
Carbonation
Corrosion
Exfoliation

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Chemistry
Copper substances when exposed to air gains a green coating due to the formation of:

CuCO3 Cu(OH)2
CuSO4
CuO
Cu(NO3)2

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Chemistry
Which gas is used as fire extinguisher ?

Sulphur dioxide
Carbon monoxide
Carbon dioxide
Carbon suboxide

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MORE MCQ ON Chemistry

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