
化學方程式

Quiz
•
Others
•
2nd Grade
•
Easy
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16 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
用大理石和鹽酸製作二氧化碳
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Answer explanation
2HCl+CaCO3➡️CaCl2+CO2+H2O
2.
OPEN ENDED QUESTION
3 mins • 1 pt
碳酸氫鈉加熱
Evaluate responses using AI:
OFF
Answer explanation
2NaHCO3➡️Na2CO3+CO2+H2O
3.
OPEN ENDED QUESTION
3 mins • 1 pt
銅加熱得氧化銅
Evaluate responses using AI:
OFF
Answer explanation
Cu+1/2O2➡️CuO
4.
OPEN ENDED QUESTION
3 mins • 1 pt
燃燒氫氣
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OFF
Answer explanation
H2+1/2O2➡️H2O
5.
OPEN ENDED QUESTION
3 mins • 1 pt
用氫氣還原氧化銅
Evaluate responses using AI:
OFF
Answer explanation
CuO+H2➡️Cu+H2O
6.
OPEN ENDED QUESTION
3 mins • 1 pt
碳的燃燒
Evaluate responses using AI:
OFF
Answer explanation
C+O2➡️CO2
7.
OPEN ENDED QUESTION
3 mins • 1 pt
取氧化鈣與適量的二氧化碳混合得到碳酸鈣
Evaluate responses using AI:
OFF
Answer explanation
CaO+CO2➡️CaCO3
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