शैवाल को नियंत्रित करने के लिए सबसे अधिक उपयोग किया जाने वाला रसायन कौन सा है?

This question was previously asked in
WBMSC Sub-Assistant Engineer (Civil) 05 Jun 2022 Official Paper
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  1. चूना
  2. फिटकरी
  3. कॉपर सल्फेट 
  4. विरंजक चूर्ण

Answer (Detailed Solution Below)

Option 3 : कॉपर सल्फेट 
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