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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1.简单

哪种元素的符号是 K？

  1. A碳
  2. B钾
  3. C钙
  4. D氪
2.简单

Plants absorb energy from sunlight during photosynthesis. How is photosynthesis classified?

  1. ANeutralisation
  2. BExothermic
  3. CEndothermic
  4. DNuclear
3.简单

What do the letters STP stand for in gas chemistry?

  1. AStandard time and pressure
  2. BStandard temperature and pressure
  3. CSpecific temperature and particles
  4. DStable temperature point
4.中等

How does dissolving salt in water affect the water's boiling point?

  1. AIt raises the boiling point slightly
  2. BIt makes the water boil at room temperature
  3. CIt lowers the boiling point slightly
  4. DIt has no effect on the boiling point
5.中等

在反应 2Mg + O₂ → 2MgO 中，哪种物质被氧化？

  1. A两种物质的电荷都没有变化
  2. B镁，因为它失去电子
  3. C镁，因为它得到电子
  4. D氧，因为它失去电子
6.中等

A reaction has ΔH = −890 kJ/mol. What does the negative sign tell you?

  1. AThe reaction is exothermic
  2. BThe reaction is endothermic
  3. CThe reaction is at equilibrium
  4. DThe reaction needs a catalyst
7.困难

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

  1. A1 L
  2. B4 L
  3. C8 L
  4. D16 L
8.困难

Carbon-12 and carbon-14 react in exactly the same way in chemical reactions. Why?

  1. ACarbon-14 turns into carbon-12 before reacting
  2. BThey have the same mass number
  3. CThey have the same number of protons and electrons
  4. DThey have the same number of neutrons

答案

  1. 1. B · 钾
  2. 2. C · Endothermic
  3. 3. B · Standard temperature and pressure
  4. 4. A · It raises the boiling point slightly
  5. 5. B · 镁，因为它失去电子
  6. 6. A · The reaction is exothermic
  7. 7. D · 16 L
  8. 8. C · They have the same number of protons and electrons

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