Chemistry · Environmental Chemistry
पेयजल में 1 ppm सांद्रता तक घुलनशील फ्लोराइड आयन की उपस्थिति होती है:
Verified Solution4 OptionsUpdated: October 2026
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Chemistry · Environmental Chemistry
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दांतों के लिए सुरक्षित (मजबूत बनाने वाली)
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