
2年 物質分野
Quiz
•
Chemistry
•
6th - 8th Grade
•
Practice Problem
•
Medium
康佑 川谷内
Used 1+ times
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27 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
炭酸水素ナトリウムを加熱すると発生する気体はなにか
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
炭酸水素ナトリウムを加熱すると、発生する液体はなにか
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
フェノールフタレイン溶液は、何に反応をして色を変えるか?
アルカリ性の水溶液
酸性の水溶液
デンプン
二酸化炭素
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
フェノールフタレイン溶液が反応すると、何色から何色に変化するか
無色透明→青
無色透明→赤
無色透明→赤褐色
青→赤
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
元の物質とは性質の異なる別の物質ができる変化を何というか
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
加熱することで、1種類の物質が2種類以上に分かれる化学変化を何というか
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水を電気分解するときに、うすい水酸化ナトリウム水溶液を加えるのはなぜか
水溶液をアルカリ性にするため
水溶液を酸性にするため
電流が流れないようにするため
電流を流しやすくするため
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