Question

1. What happens when a solution of an acid is mixed with a solution
of a base in a test tube?
(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) (b) only
(e) (i) and (iii)
(b) (i) and (iii)
(d) (i) and (iv)
GIVE REASON
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Answer 1

Answer:

(d) (i) and (iv)

there is no reason to say