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Question
Which of the two would you be able to separate from the water by straining with a cloth – salt or chalk powder?
Solution
We can separate chalk powder by straining with a cloth.
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RELATED QUESTIONS
Ayesha put a puffed puri in a bowl of water. Would it sink or float?
Have you seen that something floats on water while others sink?
Make groups of four friends. For the experiment, you will need 4-5 glasses or bowls, spoons, water, and the things listed in the table. Take some water in each glass. Now try to dissolve one thing in one glass. Observe what happens and note it in the table.
| Things | Did it dissolve or not? | What happened after keeping for 2 minutes? |
| 1. Salt | ______ | ______ |
| 2. Soil | ______ | ______ |
| 3. Chalk powder | ______ | ______ |
| 4. 1 spoon milk | ______ | ______ |
| 5. Oil | ______ | ______ |
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