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Scientists have devised a way to determine
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A small piece of fish each day may keep the heart doctor away
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ADADADADAD
都是,离子,电离
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12-09
12-09
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12-09
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Scientists have devised a way to determine
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12-09
A small piece of fish each day may keep the heart doctor away
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More and more families like to keep dogs as pets
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题目下列物质中不属于碱类的是()A.烧碱B.纯碱C.消石灰D.氢氧化镁可圈可点用户2021-02-24 11:28优质解答答案B解析A、烧碱是氢氧化钠的俗称,氢氧化钠电离时生成的阴离子都是氢氧根离子,属于碱B、纯碱是碳酸钠的俗称,碳酸钠是由
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题目
下列物质中不属于碱类的是()
A.烧碱
B.纯碱
C.消石灰
D.氢氧化镁
可圈可点用户
2021-02-24 11:28
优质解答
B
A、烧碱是氢氧化钠的俗称,氢氧化钠电离时生成的阴离子都是氢氧根离子,属于碱
B、纯碱是碳酸钠的俗称,碳酸钠是由钠离子和碳酸根离子组成的化合物,属于盐
C、消石灰是氢氧化钙的俗称,氢氧化钙电离时生成的阴离子都是氢氧根离子,属于碱.
D、氢氧化镁电离时生成的阴离子都是氢氧根离子,属于碱
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