
南一國中自然2下_ch3-3

Quiz
•
Science
•
8th Grade
•
Hard
南一 自然
Used 26+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列日常用品,何者用廣用試紙檢驗呈藍色?
肥皂水
米酒
檸檬汁
礦泉水
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列四種溶液,何者的pH值最大?
葡萄汁
柳橙汁
蘇打水
汽水
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列同為0.1 M的哪一種電解質在水中解離時,產生的正、負離子濃度相等?
氫氧化鈣
硫酸鈉
硫酸鋅
碳酸鈉
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列各水溶液,何者會使酚酞指示劑由無色變成紅色?
NH3
HCl
HNO2
CH3COOH
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列相同濃度的酸溶液,何者的pH值最大?
HCl
CH3COOH
H2SO4
HNO3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小君欲檢測酸雨的pH值,他應使用何種工具會最準確?
石蕊試紙
廣用試紙
pH計
酚酞溶液
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關常溫下,1公升純水的敘述何者錯誤?
可以解離出氫離子10-7莫耳
水的莫耳數約為18莫耳
可以解離出氫氧根離子10-7莫耳
純水不易導電
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