化学与生活、社会密切相关,下列说法正确的是 A. 柠檬虽然很酸,

化学与生活、社会密切相关,下列说法正确的是

A. 柠檬虽然很酸,但在人体内代谢后会生成碱性物质,因此柠檬属于碱性食物

B. 通信光缆的主要成分是晶体Si,太阳能电池的材料主要是SiO2

C. 高锰酸钾溶液、酒精、双氧水都能杀菌消毒,都利用了强氧化性

D. 地沟油为原料生产的生物柴油与以石油为原料生产的柴油化学成分相似

答案

A

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