(1)黑火药由硫黄、硝石、木炭三种物质按一定比例混合而成                           (  )

(2013·新课标全国卷Ⅰ,7D)

(2)SO2、SiO2、CO均为酸性氧化物                                                                  (  )

(2013·四川理综,2A)

(3)烧碱、冰醋酸、四氯化碳均为电解质                                                           (  )

(2013·四川理综,2C)

(4)福尔马林、水玻璃、氨水均为混合物                                                           (  )

(2013·四川理综,2D)

(5)BaSO4的水溶液不易导电,故BaSO4是弱电解质                                          (  )

(2013·天津理综,1D)

(6)KClO3和SO3溶于水后能导电,故KClO3和SO3为电解质                      (  )

(2013·重庆理综,2A)

(7)石油是混合物,其分馏产品汽油为纯净物                                                    (  )

(2012·山东理综,7D)

(8)金属氧化物均为碱性氧化物                                                                         (  )

(2012·山东理综,7B)

(9)HClO是弱酸,所以NaClO是弱电解质                                                  (  )

(2012·山东理综,8A)

(10)HCl溶液和NaCl溶液均通过离子导电,所以HCl和NaCl均为离子化合物(  )

(2012·山东理综,8C)

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