Answers

2015-05-17T11:34:12+05:30
Sand is made up of fine quartz, which dont dissolve in water......
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sand has small paricles like granules etc which instead of dissolving settle down at the bottom
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2015-05-17T11:41:09+05:30
sand has small paricles like granules etc which instead of dissolving settle down at the bottom
0
Sand is made up of fine quartz,so it cannot dissolve in the water