Can hard water be used for drinking purposes?
Hard water is not suitable for washing purposes, Why?
What is zeolite ?
Can sodium bicarbonate make water hard?
What is calgon?
How temporary hardness of water is removed?
Which would you predict to have higher electrical conductivity - pure water or pure D2O?
Explain why water has high melting and boiling points as compared to H2S.
Can distilled water be called deionised water ?
Can marine species live in distilled water?