
B4C3_電解質與酸鹼鹽B卷
Authored by chungtsen chen
Chemistry
8th Grade
Used 8+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
把硝酸鉀(KNO3)溶於水,則硝酸鉀會變成下列何者?
K、N、O 三種原子
K 原子與 NO3 原子團
K+與 NO3-兩種離子
K+與 NO-兩種離子
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
燒杯內有 0.1M 的氫氧化鈉溶液 100 毫升,滴入酚酞溶液 2 滴,攪拌均勻後,放入一塊乾冰,即見白煙,下列與這個操作有關的敘述,何者正確?
此操作結果可視為酸鹼反應
溶液的顏色由無色漸漸變為粉紅色
溶液的鹼性逐漸增大
乾冰昇華變為白色氣體
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列相同濃度的酸溶液,何者的 pH 值最小?
HCl
CH3COOH
H2SO4
HNO3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
阿雅將稀鹽酸滴到白色粉末上,發現白色粉末上有氣泡產生,請問該白色粉末最可能是下列何者?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一組反應後,會產生在常溫、常壓下比空氣輕的氣體?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在 25℃時將 CaO 固體加入水中,形成飽和水溶液。有關此水溶液的敘述,下列何者正確?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
啤酒的酒精濃度為 5.5%,意思是下列何者?
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