Question

Q4. List the following as exothermic or endothermic reaction(3m)
a) Temperature of water increases on adding sulphuric acid to it.
b) Heat is absorbed when water evaporates.
c) Temperature drops when ammonium chloride dissolves in water.
Q5. Name the type of chemical reaction when (3m)
a) Water is subjected to electrolysis.
b) Calcium carbonate is heated
c) Silver bromide is exposed to sunlight​

Answer 1

Answer:

a. exothermic

b. endothermic

c. exothermic