2化学１４
7th Grade
•6 Qs
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2化学１４
Quiz
•
Other
•
7th Grade
•
Practice Problem
•
Hard
誠徳 三木
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6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
化学変化を化学式で表したものを何というか。
イオン式
化学反応式
化学式
連立方程式
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
化学反応式では、化学変化の前後で変わらないものは何か。
原子の数と種類
原子の組み合わせ
原子の組み合わせと種類
原子の数
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
化学反応式では、化学変化の前後で変わるものは何か。
原子の数と種類
原子の組み合わせ
原子の組み合わせと種類
原子の数
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
鉄と硫黄の混合物を加熱したときの化学反応式
Fe+S→FeS
Zn+S→ZnS
Mg+S→MgS
Na+S→NaS
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
水の電気分解の化学反応式
2H2O→2H2+O2
H2O→H2+O2
H2O→H2+O
H2O2→H2+O2
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
酸化銀の加熱分解の化学反応式
2Ag2O→4Ag+O2
Ag2O→Ag2+O2
Ag2O→2Ag+O
2Ag2O→2Ag+O2
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