氯化鈣與碳酸鈉混合的實驗中,將氯化鈣與碳酸鈉混合後,所產生之沉澱物為何種顏色?
八下第一章化學反應

Quiz
•
Chemistry
•
8th - 12th Grade
•
Hard
JOESPH HSU
Used 9+ times
FREE Resource
21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
黃色
藍色
粉紅色
白色
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A物質 8公克與B物質 20公克反應,其反應式為 2 A+B → 3 C+D,反應後產生D物質 10公克,剩下A物質 1公克,則請問產生C物質為若干公克?
14
17
18
20
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列化學反應平衡式的寫法,何者正確?
2H2O2+MnO2→2H2O+O2
Mg+O2→MgO2
CaCO3+HCl→CaCl2+CO2+H2O
4Na+O2→2Na2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
設X、Y、Z分別代表三種相異之元素,2甲+2Y→2X2Y+Z2為已均衡的化學反應式,依據道耳頓之原子說,甲的化學式為下列何者?
XZ
XYZ2
X2Z
Y2Z2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知氯化鈣水溶液與硫酸鈉水溶液的化學反應式如右:CaCl2+Na2 SO4 → CaSO4+NaCl(係數未平衡),則係數平衡後,其係數總和為多少?
4
5
6
7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
22克的二氧化碳氣體中,下列何項正確?(C=12,O=16)
共有6×1023個分子
含有3×1023個氧原子
含有6×1023個碳原子
共有9×1023個原子
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列何者質量最大?(原子量:H=1,O=16)
0.4莫耳氧氣分子
3×1023個氧原子
9公克水
6×1022個水分子
Create a free account and access millions of resources
Similar Resources on Wayground
20 questions
25分鐘測驗:課題二 微觀世界I

Quiz
•
10th - 12th Grade
21 questions
酸鹼鹽

Quiz
•
8th Grade
20 questions
25分鐘測驗:課題三 金屬

Quiz
•
10th - 12th Grade
25 questions
康軒防疫包試題精選

Quiz
•
8th - 9th Grade
17 questions
高二化学平测

Quiz
•
11th Grade
20 questions
25分鐘測驗:課題七 氧化還原反應、化學電池和電解

Quiz
•
9th - 12th Grade
17 questions
KHSH804-1

Quiz
•
8th - 9th Grade
20 questions
111年國中教育會考-自然科-國小六年級可測試實力的題目-1~20題

Quiz
•
7th - 9th Grade
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade
Discover more resources for Chemistry
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade