PDF chapter test TRY NOW
Select the correct answers for the given topic soap and detergents:
Answer variants:
They forms a scum in hard water.
In hard water its effectiveness reduces.
\(-SO_3^-Na^+\) is the ionic part.
Soap do not form 'micelles'.
These are effective in hard water.
\(-COO^-Na^+\) is the ionic part.
They do not forms scum in hard water.
Soaps:
Detergents:
Register for free to see more content