Give equations to show what happens when temporary hard water is
(a) boiled
(b) treated with slaked lime
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What are the advantages of
(i) soft water
(ii) Hard water
What are stalagmites and stalactites? How are they formed?
State the disadvantages of using hard water.
Why does the hardness of water render it unfit for use in a
(i) boiler
(ii) for washing purposes?