生化實習補考
Authored by 郭政郎 郭政郎
Chemistry
11th Grade
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
重量莫耳濃度相同的下列水溶液，何者凝固點最低
(1) 氯化鎂
(2) 硫酸鋅
(3) 氯化鈉
(4) 醋酸
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
重量莫耳濃度之定義係指：
(1) 每升溶液中溶質的克數
(2) 1,000 克溶液中溶質的莫耳數
(3) 每升溶液中溶質的莫耳數
(4) 1,000 克溶劑中溶質的莫耳數
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
氯化鈉（式量：58.5）3.00 克溶於100 克水後，所得溶液之比重為1.02，則此氯化鈉溶液之莫耳濃度為：
(1) 0.550
(2) 0.523
(3) 0.585
(4) 0.508
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
王水的組成是
(1) 稀鹽酸3 份加稀硝酸1 份
(2) 濃鹽酸1 份加濃硝酸3 份
(3) 濃鹽酸3 份加濃硝酸1 份
(4) 濃鹽酸3 份加濃硫酸1 份
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若市售硫酸之純度為98％，比重為1.83，則該酸之濃度為多少N
(1) 36.6
(2) 1.83
(3) 18.3
(4) 9.15
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
白金坩堝在本生燈上加熱應放於
(1) 還原焰
(2) 氧化焰
(3) 焰心
(4) 內焰
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
二鉻酸鉀之硫酸溶液當氧化能力消失時，其溶液呈
(1) 綠色
(2) 黃色
(3) 黑色
(4) 透明
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