Question

which of the following is an exothermic process. 1.reaction of water.2.dillution of an acid. 3.evaporation of water. 4 sublimation of camphor.
a. 1 and 2.b2 and 3.c.1 and 4
d. 3 and 4​

Answer 1

Answer:

the process in which heat is released is known as exothermic process or exothermic reaction

so in this

ans. 1 and 4