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3~1電解質

Authored by CHEN HSI CHUAN

Chemistry

8th - 9th Grade

Used 7+ times

3~1電解質
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29 questions

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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?

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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?

Media Image
Media Image
Media Image
Media Image

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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