
中学理科 化学
Quiz
•
Science
•
6th - 8th Grade
•
Hard
恒 川田
Used 8+ times
FREE Resource
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
ガスバーナーに火をつけるとき、まず最初にするのは?
ガス調節ねじを開く
空気調節ねじを開く
元栓を開く
マッチに火をつける
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
ガスバーナーの炎がオレンジ色のとき、青色の炎にするときに調節するのは?
上にある空気調節ねじ
上にあるガス調節ねじ
下にある空気調節ねじ
下にあるガス調節ねじ
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
原子が電子を失うと何になる?
陽イオン
陰イオン
原子番号が一つ少ない原子
原子番号が一つ多い原子
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
オキシドールに二酸化マンガンを加えたときに発生するのは?
水素
酸素
二酸化炭素
塩素
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
次のうち、下方置換で集める気体は?
二酸化炭素
酸素
アンモニア
水素
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
食塩水の食塩のように、液体に溶けている物質のことを何というか?
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
200gの水に食塩50gを溶かした水溶液の濃度は?
20%
25%
50%
12.5%
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