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

Which method separates two liquids with different boiling points, such as alcohol and water?

  1. ADistillation
  2. BSieving
  3. CUsing a magnet
  4. DFiltration
2.简单

原子之间共用电子时形成哪种键？

  1. A离子键
  2. B金属键
  3. C核键
  4. D共价键
3.简单

What is the smallest particle of an element that still has the chemical properties of that element?

  1. AAn electron
  2. BA nucleus
  3. CAn atom
  4. DA proton
4.中等

What is the oxidation number of oxygen in most of its compounds?

  1. A0
  2. B−1
  3. C+2
  4. D−2
5.中等

What is the formula of the hydroxide ion?

  1. AO²⁻
  2. BH₃O⁺
  3. COH⁺
  4. DOH⁻
6.中等

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

  1. A8.6 cm²
  2. B8.55 cm²
  3. C8.550 cm²
  4. D9 cm²
7.困难

Steel can be protected from rusting by coating it with zinc (galvanising). Why does the steel stay protected even if the zinc coating is scratched?

  1. AZinc absorbs all the water from the air
  2. BZinc turns the iron into a noble metal
  3. CZinc is more reactive than iron, so it corrodes instead of the iron
  4. DZinc is less reactive than iron, so it pushes oxygen and water away from the iron
8.困难

Which list puts 0.1 M solutions of HCl, acetic acid (CH₃COOH) and NaCl in order of increasing pH?

  1. AHCl < NaCl < CH₃COOH
  2. BCH₃COOH < HCl < NaCl
  3. CNaCl < CH₃COOH < HCl
  4. DHCl < CH₃COOH < NaCl

答案

  1. 1. A · Distillation
  2. 2. D · 共价键
  3. 3. C · An atom
  4. 4. D · −2
  5. 5. D · OH⁻
  6. 6. A · 8.6 cm²
  7. 7. C · Zinc is more reactive than iron, so it corrodes instead of the iron
  8. 8. D · HCl < CH₃COOH < NaCl

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