Sourabh Monga Solutions for Chapter: Acids, Bases and Salts, Exercise 3: PRACTICE QUESTIONS SET

Which numerical scale is used to specify the strength of acids and bases in aqueous solutions?

What is the pH of a solution that liberates ${\mathrm{CO}}_2$ gas with a metal carbonate?

State the purpose of developing $\mathrm{pH}$ scale.

Mention the pH range for acids.

What is the colour of universal indicator when it is added to potassium hydroxide ($\mathrm{pH}=12$).

What is the colour of universal indicator when it is added to soda water ($\mathrm{pH}=5$).

What is the colour of universal indicator when it is added to sulphuric acid ($\mathrm{pH}=2$)

Classify the following into substances having $\mathrm{pH}$ values above or below $7$.

Lemon juice, Solution of washing soda, Toothpaste, Vinegar, Gastric juice.