a test for determining hardness of water
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of the water is hard, you can test it by mixing soap in it.
if it forms s.c.u.m(unable to type it without dots), depicts that the water is hard!
that's probably the easiest way to check hardness of water.
if it forms s.c.u.m(unable to type it without dots), depicts that the water is hard!
that's probably the easiest way to check hardness of water.
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