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

What is a single covalent bond?

  1. ATwo pairs of electrons shared between two atoms
  2. BOne electron transferred from one atom to another
  3. CThe attraction between two oppositely charged ions
  4. DOne pair of electrons shared between two atoms
2.简单

A blown-up balloon is put in a freezer. What happens to its volume?

  1. AIt increases
  2. BIt decreases
  3. CThe balloon bursts
  4. DIt stays exactly the same
3.简单

Which form of sugar dissolves fastest in a cup of tea?

  1. AA sugar cube
  2. BGranulated sugar
  3. CAll forms dissolve at the same rate
  4. DA large lump of rock sugar
4.中等

How many covalent bonds does a carbon atom usually form?

  1. A2
  2. B4
  3. C1
  4. D3
5.中等

How many lone (non-bonding) pairs of electrons are on the oxygen atom in a water molecule?

  1. A1
  2. B0
  3. C2
  4. D4
6.中等

氯离子的电荷是多少？

  1. A+1
  2. B−1
  3. C+7
  4. D−2
7.困难

Under which conditions does a real gas behave least like an ideal gas?

  1. AHigh temperature and large container
  2. BLow pressure and high temperature
  3. CLow pressure and low volume of particles
  4. DHigh pressure and low temperature
8.困难

Which compound contains both ionic and covalent bonds?

  1. ASodium sulfate, Na₂SO₄
  2. BMethane, CH₄
  3. CWater, H₂O
  4. DSodium chloride, NaCl

答案

  1. 1. D · One pair of electrons shared between two atoms
  2. 2. B · It decreases
  3. 3. B · Granulated sugar
  4. 4. B · 4
  5. 5. C · 2
  6. 6. B · −1
  7. 7. D · High pressure and low temperature
  8. 8. A · Sodium sulfate, Na₂SO₄

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