आक्सीजन की खोज की थी - – McqOptions

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1.	आक्सीजन की खोज की थी -
A.	रोनाल्ड
B.	प्रीस्टले
C.	जॉन नेपियर
D.	उपरोक्त में से कोई नहीं
Answer» C. जॉन नेपियर

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