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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1.简单

Which three elements make up carbohydrates?

  1. ACarbon, nitrogen and sulfur
  2. BCarbon, hydrogen and nitrogen
  3. CCarbon, hydrogen and oxygen
  4. DHydrogen, nitrogen and phosphorus
2.简单

Which technique is used to separate the different coloured dyes in an ink?

  1. AMagnetism
  2. BDistillation of the ink
  3. CChromatography
  4. DFiltration
3.简单

Which state of matter has a fixed volume but takes the shape of its container?

  1. ALiquid
  2. BPlasma
  3. CSolid
  4. DGas
4.中等

How does a mixture of iron filings and sulfur powder differ from the compound iron sulfide?

  1. AThe mixture is formed by a chemical reaction between the two elements
  2. BThe compound keeps the magnetic properties of iron
  3. CThe mixture can be separated physically, for example with a magnet
  4. DThe mixture has a fixed ratio of iron to sulfur
5.中等

What is the conjugate base of nitric acid, HNO₃?

  1. ANO₃⁻
  2. BNO₂⁻
  3. CH₂NO₃⁺
  4. DHNO₂
6.中等

Which type of radiation can be stopped by a sheet of paper?

  1. ABeta particles (fast electrons)
  2. BX-rays
  3. CGamma rays
  4. DAlpha particles
7.困难

For N₂ + 3H₂ → 2NH₃, 1 mol of N₂ is mixed with 2 mol of H₂. Which reactant is limiting?

  1. ANeither, because both are used up exactly
  2. BN₂, because there is less of it
  3. CNH₃, because it is the product
  4. DH₂, because 1 mol of N₂ would need 3 mol of H₂
8.困难

Carbon-14 (atomic number 6) decays by emitting a beta particle. What does it become?

  1. ANitrogen-14
  2. BCarbon-13
  3. CNitrogen-15
  4. DBoron-14

答案

  1. 1. C · Carbon, hydrogen and oxygen
  2. 2. C · Chromatography
  3. 3. A · Liquid
  4. 4. C · The mixture can be separated physically, for example with a magnet
  5. 5. A · NO₃⁻
  6. 6. D · Alpha particles
  7. 7. D · H₂, because 1 mol of N₂ would need 3 mol of H₂
  8. 8. A · Nitrogen-14

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