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Chemistry

Chemistry
A non-electronic conductor is

Iron
Gas Carbon
Copper Sulphate
None of these

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Chemistry
Glycol is used to manufacture which of the following ?

Terylene
Artificial silk
Nylon
Rubber

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Chemistry
Galvanization is the :

Deposition of tin on iron
Deposition of aluminium on iron
Deposition of copper on iron
Deposition of zinc on iron

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Chemistry
The highest volume of gases in lower atmosphere is comprised of

Carbon dioxide
Oxygen
Nitrogen
Hydrogen

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Chemistry
The gas used for artificial ripening of green fruit is

ethane
carbon dioxide
ethylene
acetylene

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Chemistry
The chemical name of 'Hypo' commonly used in photography is

Sodium thiosulphate
Silver iodide
Sodium nitrate
Silver nitrate

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