Question

If the precipitate formed is soft loose and slimy are called

Answer 1

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If the precipitate formed is soft, loose and slimy, these are sludges and if the precipitate is hard and adhering on the inner wall, it is called scale.Sludges are soft, loose and slimy precipitate, non-adherent deposits and can be easily removed by blow down operation.

Answer 2

Answer:

If the precipitate formed is soft loose and slimy then they are called sludges