
CBT演習C2
Quiz
•
Science, Chemistry, Physics
•
University
•
Practice Problem
•
Medium
Tomoteru SHINGAKI
Used 3+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
食塩25 gを水100 gに溶かしたときの濃度は何%か。質量百分率で答えなさい。
15
20
25
30
50
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
純水(25度)における水素イオンの濃度はおよそ何mol/Lか。
100
10
7
10-7
10-10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
酸と塩基が完全に中和したとき、水溶液の液性が弱酸性になるのはどの組合せか。
強酸と強酸
強酸と強塩基
強酸と弱塩基
弱酸と強塩基
強塩基と強塩基
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水酸化カルシウム1 molを完全に中和するには酢酸は何mol必要か。
0.5
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0.250 mol/L硫酸の濃度が実際には0.500 mol/Lだったとき、ファクターはいくつになるか。
0.250
0.500
0.750
1.250
2.000
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
物質が還元されるのはどのようなときか。
物質が水素イオンを受け取ったとき
物質が電子を受け取ったとき
物質が水素イオンを失ったとき
物質が電子を失ったとき
物質が水素を失ったとき
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
複数の配位座をもつ配位子が金属イオンに配位結合してできるものを何というか。
キレート
イオン結晶
単体
水和物
結晶格子
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