Short Answer Type
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 TypeHow is carbon dioxide prepared? Enlist its important uses
Preparation:
(i) In the laboratory, it is prepared by the action of dilute hydrochloric acid on carbonates such as CaCO3.
(ii) It can be prepared by burning carbon, a hydrocarbon or carbon monoxide in excess of air.
(iii) On industrial scale, it is obtained as a byproduct in some industrial processes such as in the manufacture of lime, alcohol, etc.
Uses. It is used:
(i) in the preparation of aerated waters like soda water,
(ii) in the manufacture of washing soda by Solvay’s process,
(iii) as a fire extinguisher because it is non-of combination.
Short 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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