Question

candle flame is
middle zone
to
(iv) all of these
(ii) middle zone
(i) innermost zone
(iv) all of these
outermost zone
(ii) LPG
(i) methane
(iv) hydrogen
fiii) petrol
(d) The hottest zone of a
(i) innermost zone
(iii) outermost zone
(e) Complete combustion takes place in the candle flame in its
( The fuel with the highest calorific value is
​

Answer 1

Explanation:

4.hydrogen I guess....