1.

Match the following for the flame of a candle.Column AColumn B (zone)Column C (colour)                                (a) hottest part   (i) innermost zone of unburnt wax  vapours                (x) blue(b) moderately hot                                       (ii) middle zone of partial combustion           (y) black(c) least hot(iii) outer zone of complete combustion(z) yellow

Answer»

(a)–(iii)–(x), (b)–(ii)–(z), (c)–(i)–(y)



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