
溶质,溶剂和溶液
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
解释溶液是如何形成的。
溶质溶解在溶剂中形成溶液。
溶质和溶剂分开形成溶液。
溶质和溶剂混合在一起形成溶液。
溶质和溶剂反应形成溶液。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
悬浮液的特征是什么?
悬浮液的特征是颗粒较小,不溶解在溶剂中,而是沉淀在溶剂底部
悬浮液的特征是颗粒较大,不溶解在溶剂中,而是悬浮在溶剂中。
悬浮液的特征是颗粒微小,完全溶解在溶剂中
悬浮液的特征是颗粒大小不影响其溶解在溶剂中的能力
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在实验室中,Scarlett、Evelyn和Zoe正在研究乳浊液。他们想知道乳浊液是什么?
一种由气体分散在液体中形成的混合物
一种由大颗粒悬浮在液体中形成的混合物
一种由微小的悬浮颗粒分散在液体中形成的混合物
一种由液体分散在固体中形成的混合物
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
溶质对溶液有什么影响?
溶质会使溶液变得更稀释
溶质只会影响溶液的颜色
溶质不会影响溶液的性质
溶质会影响溶液的性质,如沸点、冰点和颜色。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
胶体溶液与普通溶液有何不同?
胶体溶液和普通溶液没有任何区别
胶体溶液的颗粒较小,会沉淀,而普通溶液的颗粒较大,不会沉淀
普通溶液的颗粒较大,不会沉淀,而胶体溶液的颗粒较小,会随时间沉淀出来
胶体溶液的颗粒较大,不会沉淀,而普通溶液的颗粒较小,会随时间沉淀出来。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
为什么在日常生活中,胶体溶液会显示出特殊的性质?
颗粒尺寸与光波长无关,只是偶然现象
颗粒尺寸与光波长相近,会散射光线
胶体溶液在光下不会显示特殊性质,只是错觉
光线会被吸收,不会发生散射现象
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列物质混合后能形成悬浮液的是______。
由与水
食盐和水
碘和酒精
面粉与水
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