課題4 - 酸和鹽基

課題4 - 酸和鹽基

6th - 8th Grade

18 Qs

quiz-placeholder

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課題4 - 酸和鹽基

課題4 - 酸和鹽基

Assessment

Quiz

Chemistry

6th - 8th Grade

Medium

Created by

Cheung Yi張洁怡

Used 3+ times

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

把NH4Cl(aq) 和ZnCl2(aq) 的混合物與過量的NaOH(aq) 共熱。下列哪項觀察正確?

沒有釋出刺鼻的氣體和沒有生成沉澱物。

沒有釋出刺鼻的氣體,但生成白色沉澱物。

釋出刺鼻的氣體,但沒有生成沉澱物。

釋出刺鼻的氣體和生成白色沉澱物。

Answer explanation

銨離子在氫氧化鈉溶液中生成氨。

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪項有關稀氫氯酸的陳述不正確

把氯化氫氣體溶於水可製得它。

它會與硝酸銀溶液反應,生成白色沉澱物。

它用於汽車電池中。

「腐蝕性」標籤貼在盛載稀氫氯酸的試劑瓶上。

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 

下列哪些物質呈酸性?

(1) 玻璃清潔劑 (2) 胃液 (3) 汽水

只有(1) 和(2)

只有(1) 和(3)

只有(2) 和(3)

(1)、(2) 和(3)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪項有關一般稀酸水溶液的陳述不正確

它能把乾燥的藍色石蕊試紙變為紅色。

它能與銅反應釋出氫。

它能導電。

它能與碳酸銅(II)反應,釋出二氧化碳。

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

固體X能與稀硫酸反應,但反應中沒有水生成。X可能是甚麼?

氫氧化鋅

氧化鎂

碳酸鉀

氯化鈣

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A

B

C

D

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A

B

C

D

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