General Science- Kis Aml Me Oxygen Nahin Hai ?

Q.11154: किस अम्ल में ऑक्सीजन नहीं है ?
A
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D
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किस अम्ल में ऑक्सीजन नहीं है ? - Which acid does not contain oxygen? - Kis Aml Me Oxygen Nahin Hai ? General Science in hindi,   Sulphuric Acid ( gandh Ka Aml ) question answers in hindi pdf  Hydrochloric Acid ( Namak Ka Aml ) questions in hindi, Know About Nitric ( shore Ka Aml ) General Science online test General Science notes in hindi quiz book    Uprokt Sabhi