食鹽水和糖水皆為透明水溶液,除了嘗起來味道不同外,還可以用什麼方法分辨?

國二下自然習作CH3

Quiz
•
Chemistry
•
8th Grade
•
Hard
徐 嘉男
Used 1+ times
FREE Resource
21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
與電路連接時是否可讓LED燈發亮
以手搧聞比較
以石蕊試紙檢驗
以氯化亞鈷試紙檢驗
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列關於判斷物質是否為電解質的推論,何者正確?
由銅線能導電,可推測銅是電解質
由固體的食鹽不能導電,可推測食鹽不是電解質
由酒精易溶於水,可推測酒精是電解質
由鹽酸是氯化氫的水溶液,能導電,可推測氯化氫是電解質
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小軒配製相同濃度的糖水、食鹽水及醋酸。結果因為忘記貼上標籤,所以把三杯水溶液搞混了。於是小軒使用右圖的裝置進行檢驗,發現只有甲杯水溶液無法使LED燈發亮,只有乙杯可使藍色石蕊試紙變色。則關於這三杯溶液的組合,下列哪一項是正確的?
甲:醋酸,乙:食鹽水,丙:糖水
甲:糖水,乙:醋酸,丙:食鹽水
甲:糖水,乙:食鹽水,丙:醋酸
甲:食鹽水,乙:醋酸,丙:糖水
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知某原子X的質子數為9、中子數為10,則此原子所形成的離子X-,應具有的電子數目為多少?
8
9
10
11
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列關於氯離子(Cl-)和氯原子(Cl)的比較,何者正確?
原子序相同
電子數相同
化學性質相同
氯原子失去一個電子後,形成氯離子
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某一水溶液中有0.1莫耳氯化鈣(CaCl2),則溶液中帶正電荷粒子的莫耳數與帶負電荷粒子的莫耳數比為多少?
1:1
2:1
1:2
3:2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將運動飲料與電路連接時,發現可以使燈泡發亮,這是因為下列哪一種粒子在水溶液中移動而導電?
電子
質子
離子
分子
Create a free account and access millions of resources
Similar Resources on Quizizz
20 questions
國二下理化Chap3-3 酸鹼的濃度 2025 0211

Quiz
•
8th Grade
20 questions
國二下理化Chap3_2 常見的酸、鹼性物質 2025 0211

Quiz
•
8th Grade
20 questions
國二下理化Chap3-4 酸鹼中和 2025 0217

Quiz
•
8th Grade
18 questions
3~3酸鹼程度的表示

Quiz
•
8th - 9th Grade
21 questions
酸鹼鹽

Quiz
•
8th Grade
21 questions
八下第一章化學反應

Quiz
•
8th - 12th Grade
23 questions
B4C5

Quiz
•
8th Grade
17 questions
4~1影響反應速率的因素

Quiz
•
8th - 9th Grade
Popular Resources on Quizizz
15 questions
Multiplication Facts

Quiz
•
4th Grade
20 questions
Math Review - Grade 6

Quiz
•
6th Grade
20 questions
math review

Quiz
•
4th Grade
5 questions
capitalization in sentences

Quiz
•
5th - 8th Grade
10 questions
Juneteenth History and Significance

Interactive video
•
5th - 8th Grade
15 questions
Adding and Subtracting Fractions

Quiz
•
5th Grade
10 questions
R2H Day One Internship Expectation Review Guidelines

Quiz
•
Professional Development
12 questions
Dividing Fractions

Quiz
•
6th Grade
Discover more resources for Chemistry
5 questions
capitalization in sentences

Quiz
•
5th - 8th Grade
10 questions
Juneteenth History and Significance

Interactive video
•
5th - 8th Grade
10 questions
Identify Slope and y-intercept (from equation)

Quiz
•
8th - 9th Grade
10 questions
Juneteenth: History and Significance

Interactive video
•
7th - 12th Grade
15 questions
Volume Prisms, Cylinders, Cones & Spheres

Quiz
•
8th Grade
26 questions
June 19th

Quiz
•
4th - 9th Grade
25 questions
Argumentative Writing & Informational Text Vocabulary Review

Quiz
•
8th Grade
18 questions
Informational Text Vocabulary

Quiz
•
7th - 8th Grade