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无机化学测验1

Authored by Wan Hawl

Chemistry

10th Grade

Used 16+ times

无机化学测验1
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪种试剂是分辨Ca(OH)2及Al(OH)3的最佳试剂?

H2O

HCl

NH3

NaOH

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列的气体何者可采用浓硫酸使之干燥?

I Cl2

II H2S

III SO2

IV NH3

IV

I, II

I, III

II, IV

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

在下列每组物质中,金属物质的量相等。哪组在常温下能起反应,并产生较多气体?

铁和

铜和稀硫酸

铜和浓硫酸

铝和稀盐酸

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

将一小块金属钾投入过量的AlCl3溶液中,哪种/哪些现象不会发生?

I 发出紫色火焰

II 生成白色沉淀

III 生成无色透明溶液

II

III

I,II

I, III

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪种物质常露置于空气中时,质量不会改变?

氯化钠

浓硫酸

浓盐酸

氢氧化钠

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