配套习题- 物质的分类 -【青果学苑】

1/5单选题

难度：

1.我们熟悉的这些物质属于纯净物的是

A	干冰
B	石灰浆
C	食盐
D	食醋

正确答案：QQ==

QeOAgeW5suWGsOaYr+eUseS4gOenjeeJqei0qOS6jOawp+WMlueis+e7hOaIkOeahO+8jOWxnuS6jue6r+WHgOeJqe+8jjxicj5C44CB55+z54Gw5rWG5Lit5ZCr5pyJ5rC05ZKM5rCi5rCn5YyW6ZKZ562J54mp6LSo77yM5bGe5LqO5re35ZCI54mp77yOPGJyPkPjgIHpo5/nm5DnmoTkuLvopoHmiJDliIbmmK/msK/ljJbpkqDvvIzov5jlkKvmnInkuIDkupvlhbblroPmnYLotKjvvIzlsZ7kuo7mt7flkIjnianvvI48YnI+ROOAgemjn+mGi+S4reWQq+aciemGi+mFuOWSjOawtO+8jOWxnuS6jua3t+WQiOeJqe+8jjxicj7mlYXpgIlB77yO

2/5单选题

难度：

2.下列四组物质中，依次属于单质、氧化物、盐的是

A	氦气、氧化铜、铁强化食用盐
B	水、二氧化硫、氯酸钾
C	氧气、氧化铁、硫酸铜
D	水银、氧化镁、氨水

正确答案：Qw==

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

3/5单选题

难度：

3.现有①粗盐：②液态氧：③纯碱：④洁净的海水。对上述物质的分类正确的是

A	盐--------①
B	单质----②
C	碱-------③
D	纯净物----④

正确答案：Qg==

QeOAgeeyl+ebkOWxnuS6jua3t+WQiOeJqe+8jOebkOW/hemhu+aYr+e6r+WHgOeJqe+8m+aVhemAiemhuemUmeivr++8mzxicj5C44CB5ray5oCB5rCn5piv55Sx5LiA56eN5YWD57Sg57uE5oiQ55qE57qv5YeA54mp77yM5bGe5LqO5Y2V6LSo77yb5pWF6YCJ6aG55q2j56Gu77ybPGJyPkPjgIHnuq/norHmmK/norPphbjpkqDvvIzlsZ7kuo7nm5DvvI7mlYXpgInpobnplJnor6/vvJs8YnI+ROOAgea0geWHgOeahOa1t+awtOaYr+eUseWkmuenjeeJqei0qOe7hOaIkOeahO+8jOWxnuS6jua3t+WQiOeJqe+8juaVhemAiemhuemUmeivr++8mzxicj7mlYXpgIlC77yO

4/5单选题

难度：

4.一瓶无色透明的液体，经分析只含有氢元素和氧元素，那么这瓶液体

A	一定是化合物
B	一定是混合物
C	可能是化合物
D	可能是单质

正确答案：Qw==

QemAiemhueaYr+mUmeivr+eahOWPmei/sO+8jOWmguaenOaYr+awtOWSjOWPjOawp+awtOWwseS4jeaYr+WMluWQiOeJqe+8mzxicj5C6YCJ6aG55piv6ZSZ6K+v55qE5Y+Z6L+w77yM5aaC5p6c5piv5rC06L+Z56eN54mp6LSo5bCx5piv5YyW5ZCI54mp77ybPGJyPkPpgInpobnmmK/mraPnoa7nmoTlj5nov7DvvIzov5nnp43nianotKjlj6/og73mmK/ljJblkIjnianjgIHkuZ/lj6/og73mmK/mt7flkIjnianjgIHkuIDlrprkuI3mmK/ljZXotKjvvIzmlYXnrZTmoYjpgInmi6lD77ybPGJyPkTpgInpobnmmK/plJnor6/nmoTlj5nov7DvvI4=

5/5多选题

难度：

5.某物质经分析只含有一种元素，下列有关该物质的说法正确的是

A	一定是纯净物
B	一定是单质
C	一定不是化合物
D	可能是混合物

正确答案：QyxE

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