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Q. |
Select the incorrect statement from the following option. |
A. | water which does not form lather with soap and forms white scum is called hard water |
B. | hard water contains dissolved calcium and magnesium salts in it |
C. | in hard water, cleansing quality of soap is depressed |
D. | due to the presence of dissolved hardness- producing salts, the boiling point of water is depressed |
Answer» D. due to the presence of dissolved hardness- producing salts, the boiling point of water is depressed | |
Explanation: due to the presence of dissolved hardness-producing salts, the boiling point of water is elevated. elevation in boiling point is one of the most important colligative property. all the other options are correct. |
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