
溶液與濃度
Quiz
•
Chemistry
•
10th Grade
•
Hard
許榮成 許榮成
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
溶液屬於下列何種物質?
化合物
勻相混合物
非勻相混合物
元素
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一個不屬於溶液?
青銅(鋅錫合金)
雙氧水(37%H2O2)
食鹽水
純硫酸
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
膠體溶液與真溶液是利用哪一種特性區分的?
溶質粒徑大小
溶液是否有顏色
溶液是否呈現膠水狀
溶液是否能導電
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關廷德爾效應的敘述何者正確?
分散質粒子反射光線產生
會看到整杯溶液
都有發光的現象
僅有膠體溶液
會有這種特性
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下面哪一個儀器不是配置溶液必須的?
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
下面常用的濃度單位的配對何者正確?(多選)
酒精濃度75%:
體積莫耳濃度
濃硫酸濃度18M:
體積莫耳濃度
LD50(毒物半致死量)
3750ppm:
百萬分點濃度
雙氧水(37%H2O2):
重量百分濃度
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
取用Ca(OH)20.5mol,將其配成250mL的溶液,請問該溶液的氫氧根離子濃度為若干M?
Hint:Ca(OH)2為強電解質
4M
2M
1M
0.5M
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪個物質不屬於電解質?
C2H5OH
BaCl2
CH3COOH
NaOH
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