小テスト -質量比&割合-
Quiz
•
Science
•
KG
•
Practice Problem
•
Hard
K Taira
Used 24+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
鉄と___が結びつく時の質量比は7:4である。
酸素
硫黄
銅
水素
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
鉄と硫黄が過不足なく結びつくときの
鉄と化学変化によってできる硫化鉄の質量比
鉄:硫化鉄=⬜︎:11
4
7
3
5
3.
FILL IN THE BLANK QUESTION
1 min • 5 pts
マグネシウムと酸素が結びつく質量の比
マグネシウム:酸素=3:⬜︎
4.
FILL IN THE BLANK QUESTION
1 min • 5 pts
一定量の酸素と結びつく銅とマグネシウムの質量比
銅:マグネシウム=⬜︎:3
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
銅と酸素が過不足なく結びつくときの、銅と酸化銅の質量比
銅:酸化銅=______
4:1
1:4
4:5
5:4
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
銅2.4gと酸素0.6gが過不足なく結びついたときにできる
酸化銅の質量は____gである。
3.0g
2.4g
2.8g
3.2g
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
1.6gの硫黄と鉄が過不足なく結びつく時の
硫化鉄の質量は___gである.
2.8
4.4
4.0
3.2
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