What happens when a solution of an acid is mixed with a solution of a base

What happens when a solution of an acid is mixed with a solution of a base in a test tube?

  1. The temperature of the solution increases
  2. The temperature of the solution decreases
  3. The temperature of the solution remains the same
  4. Salt formation takes place

Select the correct option:

  1. (i) only
  2. (i) and (iii)
  3. (ii) and (iii)
  4. (i) and (iv)

Answer

The reaction of acid and base is an exothermic reaction and results the formation of salt and water.

The correct option is D.