
化学式クイズ!
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Kodai Iguchi
Used 3+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水素(化学式で答えること:以降の問題も同様)
H
H2
N
N2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
金
Au
Ac
Ae
Am
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ジュラルミンの主成分
Cu
Ni
Fe
Al
Answer explanation
複数の金属を溶かし合わせて作られる金属を「合金」といいます。
ジュラルミンはアルミを主成分としており、軽くてかたい事から航空機の機体に用いられます。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
塩酸
HI
HBr
HCl
HF
Answer explanation
「塩酸」とは「塩化水素の水溶液」のことです!
化学式は答えの通りです。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
硫化水素
H2SO4
S
SO2
H2S
Answer explanation
左から、
・硫酸
・硫黄
・二酸化硫黄
です。ちなみに、硫化水素は「腐卵臭」という、腐った卵の匂いがします。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水酸化バリウム
BaOH
Ba(OH)2
Ba(OH)3
Ba(OH)4
Answer explanation
バリウムイオンはBa2+
水酸化物イオンはOH-
イオン化合物は、
正電荷と負電荷の数を一致させる!
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
過マンガン酸カリウム
K2CrO7
K2Cr2O7
K2MnO4
KMnO4
Answer explanation
K2CrO4:クロム酸カリウム
K2Cr2O7:二クロム酸カリウム
過マンガン酸イオンはMnO4-
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