元素及化合物名稱
Authored by chi lai
Chemistry
9th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
「水」的化學式
H2O
H2O2
HO2
OH2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
「氮氣」的化學式
N2
N2
2N
N
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
「氧氣」的化學式
O
2O
O2
O2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
「二氧化碳」的化學式
CO
CO2
O2C
CO2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
「氧化銅(II)」的化學式
CuO
Cu2O
OCu
Cuo
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
「碳酸鈣」的化學式
CaCo3
CaCO3
caCO3
Ca2CO3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
「碳酸氫鈉」的化學式
NaHCO3
Na2HCO3
NaHCO3
HNaCO3
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