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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) (i) only
(B) (i) and (iii)
(C) (ii) and (iii)
(D) (i) and (iv)
Answer
When an acid is mixed with a base,
- neutralization reaction takes place where salt and water are formed.
- This is an exothermic reaction i.e. heat is evolved in the process
So, the correct option is (d) - (i) and (iv)
