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

一个中性原子有 11 个质子。它有多少个电子？

  1. A10
  2. B22
  3. C12
  4. D11
2.简单

What is a dilute solution?

  1. AOne with no solvent at all
  2. BOne with a small amount of solute in a lot of solvent
  3. COne with a large amount of solute in a little solvent
  4. DOne in which the solute has reacted with the solvent
3.简单

Which element has the symbol Fe?

  1. AFrancium
  2. BFluorine
  3. CIron
  4. DFermium
4.中等

When the diaphragm contracts and the chest cavity gets bigger, what happens to the air pressure inside the lungs?

  1. AIt falls, so air flows out
  2. BIt falls, so air flows in
  3. CIt does not change
  4. DIt rises, so air flows in
5.中等

A radioactive isotope has a half-life of 5 days. A sample starts with 80 g. How much is left after 10 days?

  1. A40 g
  2. B10 g
  3. C20 g
  4. D0 g
6.中等

Which bond joins amino acids together in a protein?

  1. AA glycosidic bond
  2. BA hydrogen bond
  3. CAn ionic bond
  4. DA peptide bond
7.困难

Which statement correctly distinguishes a scientific law from a scientific theory?

  1. AA law describes what happens; a theory explains why it happens
  2. BA law is only a guess, while a theory is a proven fact
  3. CLaws apply only to chemistry, theories only to biology
  4. DA theory becomes a law once it is proved
8.困难

An element has the electron arrangement 2, 8, 8, 2. Where is it on the periodic table?

  1. AGroup 8, period 2
  2. BGroup 2, period 2
  3. CGroup 2, period 4
  4. DGroup 4, period 2

答案

  1. 1. D · 11
  2. 2. B · One with a small amount of solute in a lot of solvent
  3. 3. C · Iron
  4. 4. B · It falls, so air flows in
  5. 5. C · 20 g
  6. 6. D · A peptide bond
  7. 7. A · A law describes what happens; a theory explains why it happens
  8. 8. C · Group 2, period 4

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