题目内容
某溶液中含三种离子,加入过量的氨水有沉淀生成,过滤后滤液中加入过量的盐酸,又有沉淀生成,再过滤,滤液中加入过量的溶液,仍有沉淀生成,原溶液中会有的离子可能是
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A.
、
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B.
、
、
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C.
、
、
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D.
、
、
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答案:AD
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某溶液中含三种离子,加入过量氨水有沉淀生成,过滤后滤液中加过量盐酸,又有沉淀生成,再过滤,滤液中加入过量Na2CO3溶液,仍有沉淀生成,原溶液中含有的离子可能是( )
A、Ag+、Fe2+、Ca2+ | B、Ag+、Na+、Ba2+ | C、Ca2+、Fe2+、Ba2+ | D、Al3+、Mg2+、Ba2+ |
某溶液中含三种离子,加入过量氨水有沉淀生成,过滤后滤液中加过量盐酸,又有沉淀生成,再过滤,滤液中加入过量Na2CO3溶液,仍有沉淀生成,原溶液中含有的离子可能是
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