3~1電解質
Quiz
•
Chemistry
•
8th - 9th Grade
•
Practice Problem
•
Hard
CHEN HSI CHUAN
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29 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有甲、乙、丙、丁四杯高濃度的酸,已知甲的蒸氣遇到氨水蒸氣會形成白色的霧,乙中放入銅片會產生紅棕色的氣體,丙可使廣用試紙呈橙黃色,丁滴在方糖會變黑色,試問以上何者是鹽酸?
甲
乙
丙
丁
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某強電解質水溶液通電後,其粒子的移動情形如右圖所示,則該電解質可能為下列何者?
硫酸
食鹽
氯化鈣
氫氧化鈉
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一合金塊內含鎂、鐵、銅、鋅四種金屬,欲從合金中取出銅,下列哪個水溶液可達此目的?
硝酸
氨水
石灰水
醋酸
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
阿元參加數理資優考試,實作測驗為分辨桌上三杯無色溶液,已知這三杯分別為糖水、稀硝酸水溶液、稀硫酸水溶液。試問下列阿元的分辨方法中,何者錯誤?
通電後,不會使燈泡亮者必為糖水
會與銅反應者,必為稀硝酸水溶液
會與鋅片反應者,必為稀硫酸水溶液
會使藍色石蕊試紙呈紅色者,必為酸性溶液
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
欲將濃硫酸稀釋成稀硫酸,下列操作何者正確?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
打開某個瓶子,會有白色煙霧產生,則此瓶子可能裝下列何種物質?
H2SO4
NaOH
NaCl
HCl
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列關於氨的性質,何者正確?
比空氣重
白色有臭味的氣體
氨水有殺菌作用
易溶於水,溶液呈中性
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