Question

scum formed when hard water is added to soap ​

Answer 1

Answer:

Soapless detergents

When a soap is used in hard water, a solid substance we call scum forms. This is because charged calcium and magnesium particles (called ions ) present in the water react with soap to form an insoluble substance.

Answer 2

ᎪᏁsᎳᎬᏒ:

• ❇️When a soap is used in hard water, a solid substance we call scum forms. This is because charged calcium and magnesium particles (called ions ) present in the water react with soap to form an insoluble substance. ... The new substance, scum, does not dissolve in water.

hᎾᏢᎬ ᎥᏆ hᎬᏞᏢs mᎪᏒᏦ Ꭺs ᏆhᎬ bᏒᎪᎥᏁᏞᎥᎬsᏆ