Question

Most of the combination reactions are exothermic. Why ?​

Answer 1

 combination reactions are exothermic in nature. Combination reactions involve the formation of new bonds and this process releases a large amount of energy in the form of heat.

hope it will help u

Answer 2

Combustion reactions are almost always exothermic .For example when wood burns, it must do so in the presence of O2 and a lot of heat is produced: Wood as well as many common items that combust are organic

all combination Reactions are exothermic

it can give heat energy liberated

IT MAY HELP YOU.