
2年物質②、エネルギー①
Quiz
•
Science
•
8th Grade
•
Medium
わか undefined
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16 questions
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1.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
うすい硫酸とうすい水酸化バリウム水溶液を混ぜると白い沈殿が生じた。
その物質名を答えなさい。
2.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
化学変化の前後で、物質全体の質量は変わらない。これは何というか。
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
銅が酸素と結びつくとき、質量比はどうなるか。
銅:酸素=( )
1:1
2:1
3:1
4:1
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
マグネシウムが酸素と結びつくとき、質量比はどうなるか。
マグネシウム:酸素=( )
2:1
2:3
3:2
3:1
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
電流は( ① )極から( ② )極に向かって流れる。
①+ ②-
①- ②+
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
電気用図記号である左図は何を表しているか。
電源
スイッチ
抵抗器
電球
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
680mAは何A?
6.8A
0.68A
0.068A
68A
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