
3酸鹼題庫
Authored by LO uwhere2930@gmail.com
Science
1st Grade
Used 3+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
有一種水溶液會讓藍色石蕊試紙變紅色,且聞起來有股酸味,這種水溶液應該是下列哪一種?
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
我們可以用什麼方法將已經溶解在食鹽水溶液中的食鹽結晶取回?
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
我們可以使用石蕊試紙來檢驗水溶液的哪個性質?
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
有一種水溶液滴在紅色石蕊試紙上會使試紙呈現藍色,這種水溶液可能是下列哪一種?
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列哪一種水溶液,滴在紅、藍色石蕊試紙上都不會變色?
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
溶解後水溶液的重量有什麼特性?
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
自製酸鹼指示劑時,將植物的細絲放入熱水中,主要作用是什麼?
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