
水溶液①
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Hard
井上珠江 井上珠江
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
塩化ナトリウムや硝酸カリウムのように水にとけている物質
溶質
溶媒
溶液
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水やエタノールのように溶質をとかしている液体
溶質
溶媒
溶液
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
溶液とは?
溶液=溶質ー溶媒
溶液=溶質=溶媒
溶液=溶質+溶媒
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
塩化ナトリウム10gを水90gにとかした水溶液の質量パーセント濃度は?
10%
90%
100%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
塩化ナトリウム20gを水180gにとかした水溶液の質量パーセント濃度は?
20%
40%
10%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
塩化ナトリウム15gを水85gにとかした水溶液の質量パーセント濃度は15%である・
⭕️
✖️
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6%の塩化ナトリウム水溶液100gを作るには、何gの塩化ナトリウムを何gの水に溶かせばよいか。
6gの塩化ナトリウムを100gの水にとかす
6gの塩化ナトリウムを94gの水にとかす
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