To show that small particles dissolve faster than the large particles, add 4 g of coarse able
salt to one test-tube half filled with water, and 4 g of fine table salt to a second test-tube
containing the same amount of water or use whole and crushed copper sulphate crystals.
Stir or shake both tubes equally and simultaneously. Pause after every few seconds to
observe the amount of undissolved salt left in each tube.
sharon kalunda answered the question on April 12, 2019 at 07:00
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