Question

the reaction of h2 gas with oxygen gas to form water is an example of

a. combination reaction
b.redox reaction
c.exothermic reaction
d.all of these​

Answer 1

Answer:

Hey mate your answer is -

(a) Combination reaction .

Two elements combine together to form water.

Hope it helps you

Answer 2

a) combination reaction

A combination reaction is a reaction where two or more elements or compounds combine to form a single compound. Such reactions is represented by equation of the following form:

X + Y → XY