Question

What happens when a solution of an acid is mixed with a solution of a base in a test tube? a) The temperature of the solution increases. b)The temperature of the solution decreases. c) The temperature of the solution remains the same. d)Salt formation takes place. 1.a) only 2.a) and c) 3.b) and c) 4.a) and d)

Answer 1

4. a and d.

The question you have asked is about a double displacement reaction or neutralization reaction. when an acid combines with a base there forms a salt, water and some heat, example when we mix sodium hydroxide in hydrochloric acid they
combine to produce a salt called sodium chloride, water and heat.

Answer 2

4 option is correct.............. .......................