
2小テ(5)
Quiz
•
Other
•
7th Grade
•
Practice Problem
•
Easy
誠徳 三木
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19 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
「鉄粉と活性炭を混ぜたものに,食塩水を少量たらす」とき,
鉄が①何と結びつき,②何という物質ができるか?
①酸素
②酸化鉄
①水素
②水酸化鉄
①炭素
②炭化鉄
①炭素
②炭素鉄
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
メタンは①と水素からできていて,
化学式はCH4であらわされる。
メタンが燃えると,二酸化炭素と②ができる。
①炭素
②水
①水
②炭素
①窒素
②酸素
①炭
②水
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
メタンの燃焼をあらわした,次の化学反応式にあてはまる化学式は?
CH4 + 2① → ② + 2③
①O2
②CO2
③H2O
①O
②CO2
③H2O
①O2
②CO3
③H2O
①O2
②CO2
③H2O2
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
「水酸化バリウムと塩化アンモニウムを混ぜる」と何という気体が発生するか。
アンモニア
水素
バリウム
塩素
5.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
「水酸化バリウムと塩化アンモニウムを混ぜる」とき
発生する気体の性質をすべて選びなさい。
水に溶けにくい
水によく溶ける
ものを燃やす
はたらきがある
刺激臭がある
空気よりも密度が大きい
6.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
反応が起こるときに温度が上がるものをすべて選びなさい
鉄分と活性炭を混ぜたものに,食塩水を少量たらす
メタンを燃やす
水酸化バリウムと塩化アンモニウムを混ぜる
酸化カルシウムに水を加える
7.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
反応が起こるときに温度が下がるものをすべて選びなさい
鉄分と活性炭を混ぜたものに,食塩水を少量たらす
メタンを燃やす
水酸化バリウムと塩化アンモニウムを混ぜる
酸化カルシウムに水を加える
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