
2小テ(3)
Quiz
•
Other
•
7th Grade
•
Practice Problem
•
Hard
誠徳 三木
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27 questions
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1.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
酸化物が酸素を奪われる化学変化
2.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
物質が酸素と結びつく化学変化
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
質量をはかったスチールウールを,右の図のようによく燃やした。加熱前の質量をA,加熱後の質量をBとする。AとBで,質量が大きいのは?
A
B
どちらも同じ
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
マグネシウムを加熱すると,白色の物質ができる
この化学変化を表した化学反応式は?
2Mg+O2→2MgO
Mg+O→MgO
Mg+O2→MgO2
5.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
物質が酸素と結びついてできた化合物を何というか。
6.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
物質が酸素と結びつくことのうち,熱や光をともなう激しい反応を,特に何というか。
7.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
マグネシウムを加熱すると,白色の物質ができる
加熱してできる白色の物質は何か
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