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ICSE Class 8 Answered

long answer Q6. describe the methods by which  permanent hardness of water can be softened.
Asked by Chandrashekhar | 18 Sep, 2018, 09:20: PM
answered-by-expert Expert Answer
By the use of soda,

use of Other softening agents in the home like - Soap, Solution of ammonia, Borax etc.
 
By industrial methods like ion exchange process.
Answered by Sumit Chakrapani | 19 Sep, 2018, 01:11: AM

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