物质的组成和化学式
Authored by Chloe Chia
Chemistry
10th Grade
Used 49+ times
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10 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
沉淀法：将含有 (a) 的水静置，使水中的杂质沉在水底。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
明矾—功能：吸附水中的___________从而使其凝聚成较大的颗粒。所以常用作___________
固体杂质，凝聚剂
凝聚剂，悬浮杂质
悬浮杂质，凝聚剂
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
过滤法：让含有悬浮杂质的液体通过一种具许多 (a) 的物质。
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
化学式：是用__________和_________的组成表示纯净物的式子。
(a)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有机化合物
组成___________的物质
有碳元素
没碳元素
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
无机化合物
组成___________的物质
没碳元素
有碳元素
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
糖类：提供 (a) 所需要的力气
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