常見的化學式
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Chemistry
9th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
氫氧化銨
NH₄OH
NaOH
KOH
Ca(OH)₂
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
氧化鐵
FeO
Fe₂O₃
Fe₃O₄
Fe₂O₄
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
二氧化硫
SO₂
CO₂
NO₂
O₃
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
碳酸鈉（蘇打,洗滌鹼）
Na₂CO₃
NaHCO₃
NaCl
K₂CO₃
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水
H₂O
CO₂
NaCl
C₆H₁₂O₆
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
氫氯酸
HCl(aq)
NaCl(aq)
H2SO4(aq)
KCl(aq)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
碳酸
H₂CO₃
CO₂
H₂O
NaHCO₃
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