配套习题- 混合物与纯净物 -【青果学苑】

1/5单选题

难度：

1.混合物和纯净物的主要区别是构成其分子的

A	状态不同
B	数量不同
C	质量不同
D	种类是一种还是几种

正确答案：RA==

5re35ZCI54mp5ZKM57qv5YeA54mp55qE5Li76KaB5Yy65Yir5piv5p6E5oiQ5YW25YiG5a2Q55qE56eN57G75piv5LiA56eN6L+Y5piv5Yeg56eN77yM5pWF6YCJ5oupROmhueOAgg==

2/5单选题

难度：

2.下列物质中，属于纯净物的是

A	太子奶
B	鲜橙汁
C	豆浆
D	冰水共存物

正确答案：RA==

QeOAgeWkquWtkOWltuS4reWQq+acieibi+eZvei0qOOAgeawtOetieeJqei0qO+8jOWxnuS6jua3t+WQiOeJqe+8juaVhemUmeivr++8mzxicj5C44CB6bKc5qmZ5rGB5ZCr5pyJ5rC077yM57OW5YiG44CB57u055Sf57Sg562J5bGe5LqO5re35ZCI54mp77yO5pWF6YCJ6aG56ZSZ6K+v77ybPGJyPkPjgIHosYbmtYbkuK3lkKvmnInmsLTlkozom4vnmb3otKjnrYnnianotKjvvIzlsZ7kuo7mt7flkIjnianvvI7mlYXpgInpobnplJnor6/vvJs8YnI+ROOAgeWGsOawtOWFseWtmOeJqeaYr+eUseS4gOenjeeJqei0qOe7hOaIkOeahOWxnuS6jue6r+WHgOeJqe+8jOaVhUTmraPnoa7vvI48YnI+5pWF6YCJRO+8jg==

3/5单选题

难度：

3.下列物质都属于纯净物的一组是①冰水混合物 ②洁净的空气 ③液氮 ④石灰水．

A	①③
B	②④
C	①②
D	③④

正确答案：QQ==

4pGg5Yaw5rC05re35ZCI54mp5Lit5Y+q5ZCr5pyJ5rC05LiA56eN54mp6LSo77yM5bGe5LqO57qv5YeA54mp77yOPGJyPuKRoea0geWHgOeahOepuuawlOS4reWQq+acieawruawlOOAgeawp+awlOOAgeS6jOawp+WMlueis+etieWkmuenjeeJqei0qO+8jOWxnuS6jua3t+WQiOeJqe+8jjxicj7ikaLmtrLmsK7kuK3lj6rlkKvmnInmtrLmgIHnmoTmsK7msJTkuIDnp43nianotKjvvIzlsZ7kuo7nuq/lh4DnianvvI48YnI+4pGj55+z54Gw5rC05Lit5ZCr5pyJ5rC044CB5rCi5rCn5YyW6ZKZ562J77yM5bGe5LqO5re35ZCI54mp77yOPGJyPuaVheKRoOKRoumDveWxnuS6jue6r+WHgOeJqe+8jjxicj7mlYXpgInvvJpB77yO

4/5单选题

难度：

4.下列物质中属于纯净物的是

A	纯净的空气
B	纯净的氮气
C	盐酸
D	碘酒

正确答案：Qg==

QeOAgee6r+WHgOeahOepuuawlOS4reacieawp+awlOOAgeawruawlOetieeJqei0qO+8jOWxnuS6jua3t+WQiOeJqe+8jOaVhemAiemhuemUmeivr++8mzxicj5C44CB57qv5YeA55qE5rCu5rCU77yM5bGe5LqO57qv5YeA54mp5Lit55qE5Y2V6LSo77yM5pWF6YCJ6aG55q2j56Gu77ybPGJyPkPjgIHnm5DphbjmmK/msK/ljJbmsKLlkozmsLTnmoTmt7flkIjnianvvIzmlYXpgInpobnplJnor6/vvJs8YnI+ROOAgeeimOmFkuaYr+eimOWSjOmFkueyvueahOa3t+WQiOeJqe+8jOaVhemAiemhuemUmeivr++8mzxicj7mlYXpgIlC

5/5单选题

难度：

5.水是生命的源泉，下列“水”中属于纯净物的是

A	雨水
B	自来水
C	蒸馏水
D	矿泉水

正确答案：Qw==

QeOAgembqOawtOS4reWQq+acieawtO+8jOi/mOWQq+acieWFtuWug+eahOadgui0qO+8jOaJgOS7peWxnuS6jua3t+WQiOeJqe+8mzxicj5C44CB6Ieq5p2l5rC05Lit5ZCr5pyJ5rC05ZKM55+/54mp6LSo562J54mp6LSo77yM5bGe5LqO5re35ZCI54mp77ybPGJyPkPjgIHokrjppo/msLTkuK3lj6rmnInmsLTkuIDnp43nianotKjnu4TmiJDvvIzlsZ7kuo7nuq/lh4DnianvvJs8YnI+ROOAgeefv+azieawtOS4reWQq+acieawtOWSjOWkmuenjeefv+eJqei0qO+8jOWxnuS6jua3t+WQiOeJqe+8jjxicj7mlYXpgInvvJpD77yO