PDF chapter test TRY NOW
- Take a mixture of sand and salt.
- Keep this mixture in a beaker and add some water to it.
- Leave the beaker aside for some time.
Do you see the sand settling down at the bottom?
at the bottom. It can be separated by
Now, what does the liquid contain?
4. Now, we need to separate salt and water from the decanted liquid.
5. Transfer this liquid to a kettle and close its lid.
6. Heat the kettle for some time.
5. Transfer this liquid to a kettle and close its lid.
6. Heat the kettle for some time.
7. Take a metal plate with some ice on it.
8. Hold the plate just above the spout of the kettle as shown in figure.
8. Hold the plate just above the spout of the kettle as shown in figure.
9. Let all the water in the kettle boil off.
What do you observe?
When the steam comes in contact with the metal plate, it . It is due to . The process of conversion of form is called .
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