R P Rana Solutions for Chapter: Water, Exercise 4: Exercise

When hydrated salts are heated, they lose their _______.

Describe the effect of heat on hydrated salts with the help of a suitable example.

What is the difference between temporary hardness and permanent hardness? How can we treat them?

Write any two disadvantages of using hard water.

Complete the given equation.

$\underset{\left(\mathrm{Hot} \mathrm{magnesium}\right)}{\mathrm{Mg}}+\underset{\left(\mathrm{Steam}\right)}{{\mathrm{H}}_2\mathrm{O}}\to$

Complete the given equation.

$\underset{\mathrm{Blue} \mathrm{crystals}}{{\mathrm{CuSO}}_4.5{\mathrm{H}}_2\mathrm{O}}\underset{\mathrm{Cool}}{\overset{\mathrm{Heat}}{\rightleftharpoons }}$

Complete the given equation.

${\mathrm{MgSO}}_4+{\mathrm{Na}}_2{\mathrm{SO}}_4\to$

Complete the given equation.

${\mathrm{CaSO}}_4+{\mathrm{Na}}_2{\mathrm{CO}}_3\to$