题目

Fourteen-year-old Miguel Diaz talks about an exciting science project. Last month I got the chance to take part in an underwater research project in an area of the Gulf of Mexico called the Flower Gardens. A team of professional researchers, led by the scientist Dr. Matt Phillips, was trying to learn more about the fish and different kinds of creatures(生物)that live in this part of the sea. The Flower Gardens are a long way from the shore and we spent three days on a boat.The team used a piece of underwater equipment called a Remotely Operated Vehicle (ROV) to collect information. The RNa2FeO4是一种高效多功能水处理剂,应用前景广阔,一种制备Na2FeO4的方法可用化学方程式表示如下:2FeSO4+6Na2O2==2Na2FeO4+2Na2O+2Na2SO4+O2↑,对此反应下列说法不正确的是 A.Na2O2在反应中只作氧化剂    B.O2是氧化产物 C.Na2FeO4既是氧化产物又是还原产物   D.2 mol FeSO4发生反应时,共有10 mol 电子转移
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