Question 1 - MCQs from NCERT Exemplar - Chapter 2 Class 10 - Acids, Bases and Salts

Last updated at July 14, 2026 by

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

Neutralization Reaction - Teachoo.jpg

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)

Remove Ads Share on WhatsApp
Maninder Singh's photo - Co-founder, Teachoo

Made by

Maninder Singh

CA Maninder Singh is a Chartered Accountant with 16+ years of practical experience and 20+ years of teaching experience. He teaches Science, Economics, Accounting and English at Teachoo using clear explanations and exam-focused methods students can trust.

For faster and distraction-free study, students can choose Teachoo Black.