Question

Which of the following is not an endothermic process:
(1) boiling of water
(2) dissolution of salts in water
(3) dissolution of conc. H2SO4, in water
(4) evaporation of water​

Answer 1

Answer:

Hi! Exothermic process - The opposite of an exothermic process is an endothermic process, one that absorbs energy in the form of heat. So, Obviously the answer is going (d) insoluble heavy impurities.

Explanation:

THIS IS YOUR ANSWER BRO

Answer 2

Answer:

dissolution of conc. H2SO4 in water is exothermic.

So answer is option 3