(a) What is hard water? Explain in detail how the hard water is softe…

Previous year question for Advanced Engineering Chemistry.

Question

(a) What is hard water? Explain in detail how the hard water is softened by zeolite process? ( 10 )

(b) Explain the following:

(i) Scale and sludge formation

(ii) Tyndall effect in colloids ( 5, 5 )