化學方程式

化學方程式

2nd Grade

16 Qs

quiz-placeholder

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化學方程式

化學方程式

Assessment

Quiz

Others

2nd Grade

Easy

Created by

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Used 9+ times

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16 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

用大理石和鹽酸製作二氧化碳

Evaluate responses using AI:

OFF

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

Evaluate responses using AI:

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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