“浓硫酸可用铁罐贮存,但其外表常有严重的腐蚀现象”这句话体现

“浓硫酸可用铁罐贮存,但其外表常有严重的腐蚀现象”这句话体现了浓硫酸的(    )

A.强氧化性和脱水性                         B.强氧化性、吸水性

C.不挥发性和酸性                            D.脱水性和吸水性

答案

解析:能用铁罐贮存说明发生了钝化生成致密的氧化膜,具有强氧化性;腐蚀的原因是因为吸水,稀硫酸与铁反应。

答案:B

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