Q. 235.0( 1 Vote )

You have four bea

Answer :

Soft water when mixed with soap or detergent forms lather but hard water when mixed with soap water does not form lather but form scum, but with detergent, it forms a lather.


OR


CH3COOH + NaHCO3 CH3COONa + H2CO3 CH3COONa + H2O + CO2


CO2 turns lime water milky.


Ca(OH)2 + CO2 CaCO3 + H2O


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