Environment & Ecology · Environmental Engineering
पानी की लगभग शून्य कठोरता (Zero hardness) व्यावहारिक रूप से निम्नलिखित में से किस जल उपचार विधि का उपयोग करके प्राप्त की जा सकती है?
- 1अत्यधिक फिटकरी की खुराक
- 2आयन विनिमय विधि (Ion exchange method)✓
- 3अत्यधिक चूना उपचार
- 4लाइम-सोडा प्रक्रिया
सही उत्तर देखें
आयन विनिमय विधि (Ion exchange method)
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