
5-2.2
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Yesing Tsai
Used 6+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1.(甲)天然氣;(乙)石油;(丙)酒精;(丁)醋酸,試以代號回答下列問題:哪些易溶於水?
(A)甲乙
(B)丙丁
(C)甲丙
(D)甲乙丙丁
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.(甲)天然氣;(乙)石油;(丙)酒精;(丁)醋酸,試以代號回答下列問題:可當做燃料的是哪些?
(A)甲乙
(B)丙丁
(C)甲丁
(D)甲乙丙
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.(甲)天然氣;(乙)石油;(丙)酒精;(丁)醋酸,試以代號回答下列問題:成分中含有碳與氫兩種元素的有哪些?
(A)甲乙
(B)丙丁
(C)乙丙丁
(D)甲乙丙丁。
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
4.天然氣的最主要成分
(1) CH4
(2) C3H8
(3) C2H6
(4) C5H12
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
5.液化石油氣的最主要成分?
(1) CH4
(2) C3H8
(3) C2H6
(4) C5H12
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
6.取乙醇水溶液作實驗,試回答下列問題:測其酸鹼性,此水溶液應呈何種反應?
(A)酸性
(B)鹼性
(C)中性
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
7.又將乙醇溶液置於空氣中一週,發現溶液變質後再測其酸鹼性,則水溶液呈何種反應?
(A)酸性
(B)鹼性
(C)中性
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