1.

55. Some words (underlined) in the following sentences are jumbled up. Write them correctly.(a) Seldie is a combustible substance(b) Slags is a non-combustible material.(c) Chittsmack does not burn by itself.(d) Some substances on combustion produce thea and mafel(e) The amount of heat energy produced on complete combustion of 1 kg of a fuel is called itsficalroic value.

Answer»

(a) diesel;

(b) glass;

(c) matchstick;

(d) heat, flame;

(e) calorific



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