化學式1
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
許榮成 許榮成
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪一種化學式不能看出化合物中原子實際的數量?
分子式
示性式
結構式
實驗式
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
燃燒分析法中,氫氧化鈉吸收的是?
氧氣
靈魂
二氧化碳
水
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在燃燒分析法中,過氯酸鎂和氫氧化鈉的管子不能互換的原因是?
管子交換會讓風水方位不對
氫氧化鈉會同時吸收水和二氧化碳
過氯酸鎂會同時吸收水和二氧化碳
化學老師會鬧脾氣
4.
FILL IN THE BLANK QUESTION
1 min • 2 pts
一分子的實驗式為C2H2O,實際分子量為84,則這個分子的分子式為?
5.
DRAW QUESTION
1 min • 3 pts
請畫出酒精(C2H5OH)的結構式

6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
請選出下列正確的選項
葡萄糖的簡式
CH2O
酒精的結構式
C2H5OH
水的示性式
H2O
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
有相同的分子式,但結構式不同的化合物群稱為?
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