B4C3_電解質與酸鹼鹽B卷
Assessment
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chungtsen chen
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Chemistry
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8th Grade
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7 plays
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Hard
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25 questions
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1.
Multiple Choice
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
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
下列相同濃度的酸溶液,何者的 pH 值最小?
HCl
CH3COOH
H2SO4
HNO3
4.
Multiple Choice
碳酸氫鈉
氯化鈉
硫酸鈣
氫氧化鈉
5.
Multiple Choice
大理石和稀硫酸
銅片和濃硝酸
鋅和稀鹽酸
雙氧水和二氧化錳
6.
Multiple Choice
此水溶液呈酸性
此水溶液可用來檢驗氧氣
此水溶液加入石蕊試紙呈藍色
加稀鹽酸於此水溶液產生氣泡
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