Question

Answer all the questions.
3 x 2 = 6M
A mixture of oxygen and ethyne is burnt for welding ; can you tell why a mixture of ethyne and air
is not used ?​

Answer 1

Answer:

Because if it is burnt in insufficient presence of oxygen then the heat produced would not be able to melt the metal.

Hope this will help you.

Answer 2

Because oxygen produces more amount of heat than air required to melt the metal.