Short Answer TypeGive different uses of activated charcoal, coke.
Uses of activated charcoal.
It is used:
(i) for absorbing poisonous gas.
(ii) in filters to remove organic contaminators.
(iii) in air conditioning system to control odour.
Uses of coke.
It is used:
(i) as a fuel
(ii) as a reducing agent in metallurgy.
Long Answer TypeShort Answer TypeDescribe what happens (give chemical equations only) when:
(i) carbon monoxide is treated with chlorine.
(ii) carbon monoxide is passed through heated NaOH under pressure.
(iii) Vapours of carbon monoxide are passed over nickel and
(iv) carbon monoxide is passed through heated ferric oxide.
Long Answer TypeShort Answer TypeWhat is the action of heat on:
(i) Sodium bicarbonate
(ii) calcium carbonate
(iii) Zinc carbonate?
Give one method for industrial preparation and one for laboratory preparation of CO and CO2 each.
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