化学与科学、技术、社会、环境密切相关。下列说法不正确的是( 

化学与科学、技术、社会、环境密切相关。下列说法不正确的是(  )

A.SiC的硬度很大,可用作砂纸、砂轮的磨料

B.常温下浓硝酸与铝不反应,可用铝制容器放浓硝酸

C.氯气与烧碱溶液或石灰乳反应都能得到含氯消毒剂

D.过氧化钠能与二氧化碳反应产生氧气,可用作高空飞行或潜水的供氧剂

 

答案

B

解析:略

 

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