Chemistry · Environmental Chemistry
जल की स्थायी कठोरता (permanent hardness) को दूर करने के लिए निम्नलिखित में से किस विधि का प्रभावी ढंग से उपयोग किया जा सकता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1सल्फर डाइऑक्साइड गैस प्रवाहित करके
- 2क्लार्क की चूना उपचार विधि
- 3आयन-विनिमय विधि (Ion-exchange method)✓
- 4उबालकर (Boiling)
सही उत्तर देखें
आयन-विनिमय विधि (Ion-exchange method)
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