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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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