Computer · Environmental Engineering
निम्नलिखित में से कौन सी प्रक्रिया पानी को कीटाणुरहित करने (रोगजनकों को मारने) में सीधे मदद नहीं करती है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1उबालना (Boiling)
- 2फिटकरी उपचार (Alum treatment)
- 3क्लोरीन की गोलियां (Chlorine tablets)
- 4निस्पंदन (Filtration)✓
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निस्पंदन (Filtration)
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