PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo- You will need a beaker or a small pan, a spoon, salt and water.
- Pour half a cup of water in the beaker.
- Add one teaspoonful of salt and stir it well, until the salt dissolves completely.
- Again add a teaspoonful of salt and stir well.
- Go on adding salt, one teaspoonful at a time, and stir.
After adding a few spoons of salt, do you find that some salt remains undissolved and settles at the bottom of the beaker?
remains undissolved and settles at the bottom of the beaker. It is because the solution is now and in the water.
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