పొడి మంచు (dry Ice) అనగా ? – McqOptions

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1.	పొడి మంచు (dry Ice) అనగా ?
A.	ఘన So2
B.	ఘన Co2
C.	ఘన హైడ్రోజన్
D.	ఘన ఆక్సిజన్
Answer» C. ఘన హైడ్రోజన్

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