when soap is added hard water a white curdy substance is formed which floats on the surface of hard water.name this white curdy substance.?
lather, scum, filler , soap curd
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when soap is added hard water, it forms an insoluble white Curdy substance is called scum. which floats on the top surface of water.
scum is your answer.
be brainly
scum is your answer.
be brainly
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