Oxygen Ki Khoj Kisne Ki ऑक्सीजन की खोज किसने की
ऑक्सीजन की खोज किसने की
1774 में ब्रिटिश पादरी और रसायनज्ञ जोसेफ प्रीस्टले
Comments AJAY KUMAR on 28-09-2017 Tisha Rajput on 28-09-2017
ओक्सिजन कि खोज किसने की
ऑक्सीजन की खोज किसने की
AJAY KUMAR on 28-09-2017
British clergyman and chemist Joseph Priestley, in 1774
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British clergyman and chemist Joseph Priestley, in 1774