What is hardness? What is the cause of hardness?
Answers
Answered by
4
Answer:
The two main cations that cause water hardness are calcium (Ca2+) and magnesium (Mg2+). Calcium is dissolved in water as it passes over and through limestone deposits. Magnesium is dissolved as water passes over and through dolomite and other magnesium bearing formations.
Answered by
7
Hard :- Materials which are difficult to compress are called hard.
Similar questions