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

配平的化学方程式表明什么？

  1. A箭头两边反应前后的分子数相同
  2. B只有反应的反应物
  3. C两边每种原子的数目相同
  4. D产物比反应物多
2.简单

What is radioactivity?

  1. AThe glow produced by any hot object
  2. BThe release of radiation by unstable atomic nuclei
  3. CThe release of heat and light when fuels burn in air
  4. DThe flow of electrons through a metal wire
3.简单

What is gamma radiation?

  1. AA stream of helium nuclei with a positive charge
  2. BA slow-moving electron
  3. CHigh-energy electromagnetic radiation with no mass or charge
  4. DA fast stream of protons from the nucleus
4.中等

How many moles of gas are in 44.8 L at STP (0 °C and 1 atm)?

  1. A0.5 mol
  2. B44.8 mol
  3. C22.4 mol
  4. D2 mol
5.中等

Which halogen is the most reactive?

  1. AChlorine
  2. BIodine
  3. CBromine
  4. DFluorine
6.中等

Sulfur has 16 electrons. In which period of the periodic table is it?

  1. APeriod 3
  2. BPeriod 16
  3. CPeriod 2
  4. DPeriod 6
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 is more reactive than iron, so it corrodes instead of the iron
  2. BZinc absorbs all the water from the air
  3. CZinc turns the iron into a noble metal
  4. DZinc is less reactive than iron, so it pushes oxygen and water away from the iron
8.困难

A gas occupies 4 L at 2 atm and 200 K. What is its volume at 1 atm and 400 K?

  1. A4 L
  2. B8 L
  3. C1 L
  4. D16 L

答案

  1. 1. C · 两边每种原子的数目相同
  2. 2. B · The release of radiation by unstable atomic nuclei
  3. 3. C · High-energy electromagnetic radiation with no mass or charge
  4. 4. D · 2 mol
  5. 5. D · Fluorine
  6. 6. A · Period 3
  7. 7. A · Zinc is more reactive than iron, so it corrodes instead of the iron
  8. 8. D · 16 L

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