Which Impurities Form Hard Scale And Which Impurities Soft Scale ?

1.	Which Impurities Form Hard Scale And Which Impurities Soft Scale ?
Answer» Sulphates and chlorides of LIME and magnesium form HARD scale, and CARBONATES of lime and magnesium form SOFT scale. Sulphates and chlorides of lime and magnesium form hard scale, and carbonates of lime and magnesium form soft scale.

Answer»

Sulphates and chlorides of LIME and magnesium form HARD scale, and CARBONATES of lime and magnesium form SOFT scale.

Sulphates and chlorides of lime and magnesium form hard scale, and carbonates of lime and magnesium form soft scale.

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