Question

What happens when a solution of an acid is mixed with a solution of a base in a test tube? [NCERT Exemplar Problems]
(i) The temperature of the solution increases
(ii) The temperature of the solution decreases
(iii) The temperature of the solution remains the same
(iv) Salt formation takes place.
(a) (i) only
(b) (i) and (iii)
(c) (ii) and (iii)
(d) (i) and (iv)

Answer 1

Answer:

d .(i) and (iv)

Explanation:

due to combination of acid and base