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Select the correct answers for the given topic soap and detergents:
Answer variants:
In hard water its effectiveness reduces.
These are effective in hard water.
They do not forms scum in hard water.
They forms a scum in hard water.
\(-SO_3^-Na^+\) is the ionic part.
Detergents have less cleansing property than soap.
\(-COO^-Na^+\) is the ionic part.
Soaps:
Detergents:
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