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。

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姓名: ____________________   日期: ____________

1.简单

What are enzymes?

  1. ABiological catalysts, usually proteins
  2. BSugars that store energy in the liver
  3. CFats that form most of the cell membrane
  4. DMinerals that build bone
2.简单

What is an alpha particle made of?

  1. A2 protons and 2 neutrons
  2. B1 proton and 1 electron
  3. CPure electromagnetic energy
  4. DA single high-energy electron
3.简单

Which positive ion is found in the highest concentration inside most body cells?

  1. ACalcium (Ca²⁺)
  2. BPotassium (K⁺)
  3. CSodium (Na⁺)
  4. DMagnesium (Mg²⁺)
4.中等

Which assumption is made about an ideal gas?

  1. AIts particles stay still at room temperature
  2. BIts particles have no attraction to each other
  3. CIts particles lose energy in every collision
  4. DIts particles are large, closely packed and strongly attracted
5.中等

为什么水分子是极性的？

  1. A水分子是直线形的，两个氢在一条直线上
  2. B水中氢和氧之间是离子键
  3. C氢的电负性比氧大
  4. D氧对共用电子的吸引更强，且分子是弯曲形的
6.中等

Which bond joins amino acids together in a protein?

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

What is the oxidation number of manganese in potassium permanganate, KMnO₄?

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

Which phrase best describes a 0.001 M solution of hydrochloric acid?

  1. AA dilute solution of a strong acid
  2. BA dilute solution of a weak acid
  3. CA concentrated solution of a strong acid
  4. DA concentrated solution of a weak acid

答案

  1. 1. A · Biological catalysts, usually proteins
  2. 2. A · 2 protons and 2 neutrons
  3. 3. B · Potassium (K⁺)
  4. 4. B · Its particles have no attraction to each other
  5. 5. D · 氧对共用电子的吸引更强，且分子是弯曲形的
  6. 6. B · A peptide bond
  7. 7. A · +7
  8. 8. A · A dilute solution of a strong acid

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