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Testing & Measuring Equipments
How many methods can be used to remove the permanent hardness of water?
UP
Upasanabhat
asked on 15 July 2020, 08:36
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Mohammedtahir
10 p.
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3 years ago
By Calgon method , ion exchange method , boiling and Clarks method .
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Is Gravity higher 1000 meters under earth surface than 9.81 m/s2 ?
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Can I start a solar installation business with an investment of Rs3,00,000?
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