Satinder Malhotra Solutions for Chapter: Acids, Bases and Salts, Exercise 1: MOCK TEST

What do you observe when red litmus paper is introduced into a solution of sodium carbonate?

What do you observe when a drop of phenolphthalein is added to a solution of sodium hydroxide?

What happens when zinc is heated with dilute hydrochloric acid?

What happens when sodium bicarbonate is strongly heated?

What happens when excess of ${\mathrm{CO}}_2$ is passed through lime water?

What happens when dry chlorine gas is passed through slaked lime.

Which of the following would turn red litmus into blue?

A solution in test tube 'A' turns red litmus blue, evolves hydrogen on reaction with $\mathrm{Zn}$ and does not react with sodium carbonate whereas solution in test tube 'B' turns blue litmus red, liberates hydrogen on reaction with $\mathrm{Zn}$ and ${\mathrm{CO}}_2$ with ${\mathrm{Na}}_2{\mathrm{CO}}_3$. Identify solution 'A' and 'B'.