how can you prove that water contain dissolve subtances ?
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Answer: tap water contains dissolved salt. Take a small quantity of tap water glass on a beaker filled with water when the watch glass is seen in light a number of concentric rings of solid matter are seen. These are deposited of deposits of dissolved salt left after evaporation of tap water.
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Answer: tap water contains dissolved salt. Take a small quantity of tap water glass on a beaker filled with water when the watch glass is seen in light a number of concentric rings of solid matter are seen. These are deposited of deposits of dissolved salt left after evaporation of tap water.
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