hard water
/ˌhɑːd ˈwɔːtə/noun
उच्चारण हार्ड वॉर्ट
कठोर जल, खारा पानी
Core word
noun
- 1
[U]
water that contains a lot of calcium and magnesium salts, so that soap does not easily form a lather in it
कठोर जल, खारा पानी
- Hard water leaves a white layer inside kettles and pipes.
- Soap does not lather well in hard water.
- In areas with hard water, you may need a filter.
+ 2 more examples
- Hard water makes it difficult to wash your hair properly.
- Chemistry students tested samples of hard water in the lab.
Opposite soft water
≈Synonyms and antonyms
Antonyms
soft water
✓In the exam
General knowledge
Temporary hardness, caused by calcium and magnesium bicarbonates, can be removed by boiling.
GK: Temporary hardness, जो calcium और magnesium के bicarbonates से होती है, पानी उबालकर दूर की जा सकती है।
Permanent hardness, caused by their chlorides and sulphates, can be removed by adding washing soda.
GK: Permanent hardness, जो इनके chlorides और sulphates से होती है, washing soda मिलाकर दूर की जा सकती है।