Chemistry, asked by hoodadeepanshi3, 1 year ago

Why scum is only formed with hard water? Give at least three disadvantages of formation of scum.

Answers

Answered by knavdeep1702
6
the hard water is having a impurity like calcium and magnesium salts which are not present in soft water.
the three disadvantages are:
#they are insoluble in water
#they don't clean the cloth immersed
#they create pollution.

knavdeep1702: is it ok dear?
hoodadeepanshi3: They dont create pollution
knavdeep1702: they are insoluble and most relevently. non biodegrade
Answered by princepc076
1

Explanation:

hard water contains calcium and magnesium and soap is basically sodium or potassium salt of higher fatty acids when soap is added to hard water corresponding calcium and magnesium salts are formed which being in soluble that dissipated this precipitated second is come reaction taking place

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