护理入学考试化学练习卷（附答案）

免费可打印的护理入学考试化学练习卷：8 道题，从简单到考试水平，附答案。可打印或另存为 PDF。

新练习卷在线练习，附提示

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姓名: ____________________   日期: ____________

1.简单

由固体直接变为气体的变化叫什么？

  1. A熔化
  2. B凝华
  3. C凝结
  4. D升华
2.简单

How many electrons are shared in a double covalent bond?

  1. A2
  2. B4
  3. C8
  4. D6
3.简单

What is the name for the attraction of water molecules to each other?

  1. ACohesion
  2. BOsmosis
  3. CDiffusion
  4. DAdhesion
4.中等

At 20 °C, about 36 g of NaCl dissolves in 100 g of water. If 50 g of NaCl is stirred into 100 g of water at 20 °C, what happens?

  1. AAbout 36 g dissolves and about 14 g stays undissolved
  2. BAbout 14 g dissolves and about 36 g stays undissolved
  3. CAll 50 g dissolves
  4. DNone of the salt dissolves
5.中等

Using significant figures, what is 2.5 cm × 3.42 cm?

  1. A9 cm²
  2. B8.55 cm²
  3. C8.6 cm²
  4. D8.550 cm²
6.中等

Which is larger, a sodium atom (Na) or a sodium ion (Na⁺)?

  1. AThey are the same size
  2. BThe sodium ion
  3. CIt depends on the temperature
  4. DThe sodium atom
7.困难

A piece of copper is placed in zinc sulfate solution. Zinc is more reactive than copper. What happens?

  1. ACopper replaces zinc, forming copper sulfate
  2. BHydrogen gas is produced
  3. CZinc metal coats the copper and the solution turns blue
  4. DNo reaction occurs
8.困难

In the reaction NH₃ + H₂O ⇌ NH₄⁺ + OH⁻, which substance acts as the Brønsted–Lowry acid?

  1. ANH₄⁺ only
  2. BNH₃
  3. COH⁻
  4. DH₂O

答案

  1. 1. D · 升华
  2. 2. B · 4
  3. 3. A · Cohesion
  4. 4. A · About 36 g dissolves and about 14 g stays undissolved
  5. 5. C · 8.6 cm²
  6. 6. D · The sodium atom
  7. 7. D · No reaction occurs
  8. 8. D · H₂O

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