酸・塩基
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Hard
恒 川田
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13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
次の酸の価数を答えよ
CH3COOH
１価
２価
３価
４価
Answer explanation
CH3COOH → CH3COO- ＋ H+
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
次の酸の価数を答えよ
CO2
１価
２価
３価
４価
Answer explanation
CO2 ＋ H2O → 2H+ ＋ CO32-
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
硫酸の価数は？
１価
２価
３価
４価
Answer explanation
H2SO4 → 2H+ ＋ SO42-
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
リン酸の価数は
１価
２価
３価
４価
Answer explanation
H3PO4 → 3H+ ＋ PO43-
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
NH3の価数は
１価
２価
３価
４価
Answer explanation
NH3 ＋ H2O → NH4+ ＋ OH-
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
次の酸の名称は
（COOH)2
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
H2Sを日本語で言うと？
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