Oxygen Ki Khoj Kisne Ki ? ऑक्सीजन की खोज किसने की ?

ऑक्सीजन की खोज किसने की ?



mkc kaladera on 09-12-2021

rsmerna


Comments Jitoo Darji on 13-12-2021

Preestle or sheele

Rajesh diwan on 13-12-2021

प्रीस्टली या शीले

Khilavan Chakradhari on 12-12-2021

pristale..


Gaurav Sharma on 12-12-2021

प्रिस्टेल..

Rakesh kumar on 11-12-2021

john prestlay

suraj creation on 11-12-2021

जॉन प्रेस्टले

Surendra MEENA on 10-12-2021

perisatle


Subodh Nambardar on 10-12-2021

पेरिसटल





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