浩文測試一種無色水溶液,以紅色石蕊試紙測試時顏色沒有變化,放入大理岩則產生氣泡。下列何者最可能為此水溶液中所含的溶質?

112學年習作

Quiz
•
Chemistry
•
Professional Development
•
Hard
吳政芳 吳政芳
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
氯化氫
氯化鈉
氫氧化鈣
氫氧化鈉
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者是酸性溶液與鹼性溶液的共同性質?
帶有酸味
可使紅色石蕊試紙變色
皆可以分解油脂
水溶液均可以導電
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於酸鹼溶液的性質,下列敘述何者正確?
醋酸可溶解油脂
硝酸照光會分解出有毒氣體
氨水可清洗金屬表面
硫酸可添加於食醋中以增添風味
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
25℃時,NaCl溶液的濃度為1M,其pH值為多少?
1
7
12
15
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
阿凱想要研究空氣汙染對當地雨水的影響,他收集住家附近的雨水,再以不同的試紙測試雨水的酸鹼性,請問下列哪一種試紙的顏色變化情形,可以證明此地雨水的pH值偏酸性?
廣用試紙變成黃色
紅色石蕊試紙變成藍色
紅色氯化亞鈷試紙變成藍色
廣用試紙變成藍色
6.
MULTIPLE CHOICE QUESTION
30 sec • 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?
氯化鈉
氫氧化鈉
碳酸氫鈉
硫酸鈣
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鹽酸與氫氧化鈉反應會產生水和鹽類,請問此反應與下列何者相似?
燃燒的鎂帶放入二氧化碳中
雙氧水加入二氧化錳
醋酸與氨水混合
鎂帶放入稀鹽酸中
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