Mittsure Solutions for Exercise 1: Model Test Paper-1

Classify the following into acids, bases and salts:

• ${\mathrm{H}}_2{\mathrm{SO}}_4$

Classify the following into acids, bases and salts:

• $\mathrm{Ca}{\left(\mathrm{OH}\right)}_2$

Classify the following into acids, bases and salts:

• $\mathrm{HCl}$

Classify the following into acids, bases and salts:

• ${\mathrm{H}}_2{\mathrm{CO}}_3$

Classify the following into acids, bases and salts:

• ${\mathrm{CH}}_3\mathrm{COOH}$

Classify the following into acids, bases and salts:

• $\mathrm{Mg}(\mathrm{OH}{)}_2$

What are indicators? Give an example of an indicator and write its effect on acid, base and water.

Why are crystals prepared only from hot supersaturated solutions of salt?