You are provided with 3 White powders , one is sodium chloride(NaCl) , second is of starch and third is chalk powder. You are also provided with 3 beakers and distilled water and a torch. Using these things identify the 3 powders.
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NaCl will dissolve and water is transparent
chalk will become a precipitate
starch will be seen by torch
chalk will become a precipitate
starch will be seen by torch
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