Question

The Combustion process is hastened by

(i) free radicals (ii) hydrogen (iii) oxygen in the air (iv) carbon dioxide​

Answer 1

Answer:

$When a match is struck, friction heats the head to a temperature at which the chemicals react and generate more heat than can escape into the air, and they burn with a flame. If a wind blows away the heat or the chemicals are moist and friction does not raise the temperature sufficiently, the match goes out.}$

Answer 2

3)Oxygen in the air is the correct answer