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How can you show that some solids like sugar, salt are soluble in water whereas solids like chalk powder and sand are not soluble in water?
Expertiment:
- Collect samples of sugar, salt, chalk powder and sand.
- Take four beakers. Fill each one of them about two-third with water.
- Add a teaspoonful of sugar to the first beaker, salt to the second, chalk powder to the third and sand to the fourth.
- Stir the contents of each beaker with a spoon/stirrer.
Observation: Wait for a few minutes and observe what happens to the substances added to the water.
Observations table:
Inference:
- Sugar and salt are soluble in water.
- Chalk powder and sand are insoluble in water.
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