科学 第三章
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2nd Grade
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12 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
当溶剂中的颗粒达到一定大小时，就形成胶体溶液。这种现象称为？
(a)
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
我们通常把20C 时溶解度在10g以上的物质称为？
(a)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
可溶物质的溶解度？
20~30g
1~10g
2~5g
7~15g
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
微溶物质的溶解度
5~6g
0.1~5g
0.01~1g
0.02~2g
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
难溶物质的溶解度？
小于0.01g
大于1g
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
在一定量的溶剂里不能继续溶解更多某种溶质的溶液
(a)
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
在一定量的溶剂里能继续溶解更多某种溶质的溶液
(a)
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