
111-2國二一段翰林習作複習
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
唐碩振 唐碩振
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50 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
小馨觀察下列化學反應,並記錄其所伴隨的現象,哪一個是正確的?
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列哪一個現象,不是因為化學變化?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知甲和乙兩種物質反應會生成丙和丁,其反應式為:3甲+乙→2丙+2丁。附表是甲和乙反應的一組實驗數據,理論上可以生成多少公克的物質丁?
18公克
44公克
70公克
88公克
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
密閉容器內置入 20 公克碳酸鈉水溶液及 20 公克氯化鈣水溶液,反應後會生成碳酸鈣沉澱及氯化鈉水溶液,此時容器內物質的總質量為多少公克?
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
甲分子的結構如圖所示,其中每一個球皆代表一個原子。若此原子每一個的質量為一個碳原子的4/3倍,且碳的原子量為12,則甲的分子量為下列何者?
6
27
36
48
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
小新專題研究的題目是「傳統美食—油條」,報告部分內容如圖所示,請你根據他的報告內容推測,食品膨鬆劑的化學式為何?
碳酸鈉
Na2CO3
碳酸氫鈉
NaHCO3
碳酸氫銨 NH4HCO3
碳酸鈣
CaCO3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一種變化屬於氧化反應?
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