<?xml version="1.0" encoding="UTF-8"?>
<test>
<question q="下列操作没有化学变化的是:">
<answerA>二氧化碳溶于水中</answerA>
<answerB>胆矾中滴入浓硫酸而变为白色</answerB>
<answerC>碘溶于酒精中制成碘酒</answerC>
<answerD>铜器在空气中形成“铜绿”</answerD>
<answer>C</answer>
</question>
<question q="下列关于分子、原子、离子叙述正确的是:">
<answerA>原子是一种不能再分的一种微粒</answerA>
<answerB>阳离子得到电子后一定变成原子</answerB>
<answerC>离子是构成物质的一种微粒</answerC>
<answerD>分子是化学变化中的最小微粒</answerD>
<answer>C</answer>
</question>
<question q="下列各组物质中不属于同一类别的是:">
<answerA>碱式碳酸铜、纯碱、火碱</answerA>
<answerB>冰、干冰、生石灰</answerB>
<answerC>石膏、绿矾、纯碱晶体</answerC>
<answerD>苛性碱、烧碱、熟石灰</answerD>
<answer>B</answer>
</question>
<question q="下列物质中有自由氯离子存在的是:">
<answerA>食盐晶体</answerA>
<answerB>熔融氯化钾</answerB>
<answerC>氯酸钾溶液</answerC>
<answerD>液态氯化氢</answerD>
<answer>B</answer>
</question>
<question q="下列物质在给定条件下反应,生成物均是氧化物的是:">
<answerA>加热碳酸氢铵</answerA>
<answerB>煅烧碳酸钙</answerB>
<answerC>加热碳酸氢钙</answerC>
<answerD>加热胆矾</answerD>
<answer>B</answer>
</question>
</test>
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