जल में हाइड्रोजन तथा ऑक्सी – McqOptions

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1.	जल में हाइड्रोजन तथा ऑक्सीजन का अनुपात भार के अनुसार हैं -
A.	2 ः 1
B.	1 ः 2
C.	8 ः 1
D.	1 ः 8
Answer» E.

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