How would you obtain clear water …
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Posted by Surendra Shukla 6 years, 7 months ago
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Sia ? 6 years, 7 months ago
We can purify the muddy water by loading. Firstly, we take a beaker (100 ml) half filled with a sample of muddy water. Now take a piece of alum (phitkari) and a thread (about 30 cm in length). Tie firmly one end of the thread with alum and hold the other end of the thread with hand.
Now dip the alum in the water and move it slowly in a circular path for about one minute. Remove the alum and keep the beaker undisturbed for some time. During this process we will find that the dust particles get loaded and become heavier and settle down at the bottom of the beaker quite rapidly. When all the dust particles settle down, the water becomes clear. The clear water is then decanted into another beaker.
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