Question

Radha was taking water from the tap when she observed that water was not clear. She collected the water in storage tank and added alum solution to it.

Contextual Question: Why alum is added in water?

Value-Based Question: Mention two values Radha possess?

Answer 1

Step 1: Understanding the concept

• Clay particles suspended in water are removed by alum.
• The heavy dissolved alum particles stick to the suspended clay particles in the water and thus, sink to the bottom. As a result, alums aid in the purification of water.

Step 2: Qualities of Radha

• She has awareness and is knowledgeable.
• She has good observation skills.