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The second question answer is
a) chalk powder
Reason is Chalk's main component is CaCO3 , calcium carbonate. The solubility of calcium carbonate is extremely low in water, so therefore an extremely minute amount of CaCO3 is able to dissolve in a normal amount of water. So chalk powder is insoluble in water
I hope it has helped you
a) chalk powder
Reason is Chalk's main component is CaCO3 , calcium carbonate. The solubility of calcium carbonate is extremely low in water, so therefore an extremely minute amount of CaCO3 is able to dissolve in a normal amount of water. So chalk powder is insoluble in water
I hope it has helped you
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