
南一國中自然2下_ch3-4

Quiz
•
Science
•
8th Grade
•
Hard
南一 自然
Used 15+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關「以硫酸滴定氫氧化鈣溶液」的敘述,何者錯誤?
須將硫酸溶液裝入滴定管中
指示劑及氫氧化鈣溶液置於錐形瓶
滴定過程錐形瓶中鈣離子的濃度逐漸減少
滴定完成得到透明無色的硫酸鈣溶液
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關酸、鹼、鹽的敘述,何者錯誤?
酸和鹼反應會產生鹽類、水及熱量
酸類可以和鎂帶反應,產生氫氣
鹼具有滑膩感,可以溶解油脂
鹽類溶液必為中性
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列各種反應何者不會產生鹽類?
將鋅粉投入稀鹽酸中
將鈉投入水中
將小蘇打投入食醋中
將氨通入稀鹽酸中
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關酸鹼中和的敘述,下列何者正確?
酸鹼中和之後水溶液必呈中性
酸鹼中和之後必產生水和鹽
酸鹼中和時溫度有可能上升或下降
酸鹼中和酸的莫耳濃度必定等於鹼的莫耳濃度
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
酸和鹼相遇時會發生中和反應,下列何者沒有中和的現象?
口含著吸管對著氫氧化鈉溶液吹氣
農夫利用草木灰改善土質
胃酸分泌過多,服用含有小蘇打的胃藥
使用暖暖包取暖
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
焙製麵包所用的發粉是含有:
碳酸鈉、氫氧化鈉
碳酸氫鈉、酒石酸
碳酸氫鈉、碳酸鈉
碳酸鈉、碳酸鈣
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
酸鹼相遇時會發生中和反應,下列哪一個反應沒有中和的現象?
口含吸管對著氫氧化鈉溶液吹氣
農夫利用草木灰改善土質
胃酸分泌過多,服用含有小蘇打的胃藥
使用乾粉滅火器來撲滅火災
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