
實驗3- 2酸鹼中和的化學反應
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Easy
霍 建豪
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小英欲用食醋進行酸鹼中和反應,實驗室備有下列各種器材與藥品,試回答下列問題。
進行中和食醋的反應時,酚酞指示劑應加入下列何者中?
(A)乙
(B)丙
(C)丁
(D)戊
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
承上題,滴定管中應使用何種溶液?
(A)丙
(B)丁
(C)戊
(D)己
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
中和反應過程中,溫度計的讀數變化為何?
(A)維持不變
(B)略為下降
(C)略為上升
(D)先上升後下降
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
中和反應過程中,乙杯溶液pH值如何變化?
(A)逐漸增加
(B)逐漸減少
(C)保持不變
(D)逐漸減少至7為止
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
整個中和反應過程,乙杯溶液的顏色變化,下列何者正確?
(A)無色→黃色
(B)紅色→無色
(C)紅色→黃色
(D)無色→紅色
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