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

What is the term for anything that has mass and takes up space?

  1. AHeat
  2. BEnergy
  3. CForce
  4. DMatter
2.简单

What is the formula of methane, the main gas in natural gas?

  1. AC₂H₆
  2. BCH₄
  3. CCH₂
  4. DCO₂
3.简单

Which acid is found in the stomach?

  1. AAcetic acid
  2. BSulfuric acid
  3. CNitric acid
  4. DHydrochloric acid
4.中等

During digestion, large molecules are broken down by adding water across their bonds. What is this reaction called?

  1. ACondensation
  2. BHydrolysis
  3. CCombustion
  4. DPolymerisation
5.中等

A plastic block has a density of 0.8 g/cm³. What happens when it is placed in water (density 1.0 g/cm³)?

  1. AIt floats
  2. BIt sinks
  3. CIt dissolves
  4. DIt stays suspended halfway down
6.中等

Why must temperatures be in kelvin in gas law calculations?

  1. AKelvin values are always below 100
  2. BThe kelvin scale has smaller degrees, which gives more precise answers
  3. CCelsius can only be used for liquids
  4. DGas volume and pressure are proportional to the absolute temperature
7.困难

下列哪一项是中和反应？

  1. A2H₂O → 2H₂ + O₂
  2. BH₂SO₄ + 2KOH → K₂SO₄ + 2H₂O
  3. CCH₄ + 2O₂ → CO₂ + 2H₂O
  4. DZn + CuSO₄ → ZnSO₄ + Cu
8.困难

Why does atomic radius decrease from left to right across a period?

  1. AMore protons pull the electrons of the same outer shell closer
  2. BEach element adds a new electron shell
  3. CThe atoms lose electrons across the period
  4. DNeutrons push the electrons outward less strongly

答案

  1. 1. D · Matter
  2. 2. B · CH₄
  3. 3. D · Hydrochloric acid
  4. 4. B · Hydrolysis
  5. 5. A · It floats
  6. 6. D · Gas volume and pressure are proportional to the absolute temperature
  7. 7. B · H₂SO₄ + 2KOH → K₂SO₄ + 2H₂O
  8. 8. A · More protons pull the electrons of the same outer shell closer

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