Question

Q5. What happens when a solution of an acid is mixed with a solution

of a base in a testtube?

(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)

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Answer 1

Answer :-

Option (D) is correct

Reason :-

When acid is mixed with a solution of base it results in neutralization reaction. Neutralization is an exothermic reaction which result in the formation salt.

Answer 2

Answer:

d. (i) and (ii)

Acid + base is a ecothermic reaction and also salt ÷ water is formed.