赤色リトマス紙を青色に変えるのは,何性の水溶液か

3小テ(2)

Quiz
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Other
•
7th Grade
•
Medium
誠徳 三木
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26 questions
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1.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
2.
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20 sec • 1 pt
酸性の水溶液に緑色のBTB溶液を加えると,何色になるか
3.
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20 sec • 1 pt
酸性の水溶液にマグネシウムリボンを入れると,何という気体が発生するか
4.
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20 sec • 1 pt
アルカリ性の水溶液にフェノールフタレイン溶液を加えると,何色になるか。
5.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
水溶液中で電離して水素イオンを生じる物質を何というか
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
アルカリとは,水溶液中で電離して何イオンを生じる物質か。イオンの化学式で答えなさい
OH-
OH+
HO-
H+
7.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
酸性やアルカリ性の強さを表すときに使う値を何というか
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