Question
Chemistry Question on GROUP 1 ELEMENTS
The temporary hardness of water is due to calcium bicarbonate can be removed by adding
A
CaCO3
B
Ca(OH)2
C
CaCl2
D
HCl
Answer
Ca(OH)2
Explanation
Solution
Lime treatment remove bicarbonate hardness by forming insoluble CaCO3 as Ca(HCO3)2+Ca(OH)2→2CaCO3↓+2H2O