Hardness of water is due to the presence of
A:-Calcium carbonate
B:-Magnesium carbonate
C:-Calcium and magnesium sulphate
D:-Both Calcium carbonate and Magnesium carbonate
Answer:D
Hardness of water is due to the presence of
A:-Calcium carbonate B:-Magnesium carbonate C:-Calcium and magnesium sulphate D:-Both Calcium carbonate and Magnesium carbonate