Q. What happens when a solution of an acid is mixed with a solution of a base in a test tube?
(i) Temperature of the solution decreases
(ii) Temperature of the solution increases
(in) Temperature of the solution remains the same
(iv) Salt formation takes place
- (i) and (iv)
- (i) and (iii)
- (ii) only
- (ii) and (iv)
Answer: (ii) and (iv)