某同学将维生素C泡腾片放入水中,观察到有大量气泡冒出,根据泡

某同学将维生素C泡腾片放入水中,观察到有大量气泡冒出,根据泡腾片主要成分分析,该气体主要是

AO2   BN2   CCO2  D.水蒸气

答案

C

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