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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姓名: ____________________   日期: ____________

1.简单

Which element exists naturally as diatomic molecules (two atoms joined together)?

  1. AOxygen
  2. BIron
  3. CSodium
  4. DHelium
2.简单

Which group of biological molecules includes fats, oils and cholesterol?

  1. AProteins
  2. BCarbohydrates
  3. CLipids
  4. DNucleic acids
3.简单

Which unit is commonly used for the density of a liquid?

  1. Ag/mL
  2. Bg·mL
  3. CmL/g
  4. Dkg
4.中等

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

  1. A9 cm²
  2. B8.6 cm²
  3. C8.55 cm²
  4. D8.550 cm²
5.中等

A piece of metal has a density of 8 g/cm³ and a volume of 5 cm³. What is its mass?

  1. A40 g
  2. B13 g
  3. C0.625 g
  4. D1.6 g
6.中等

At STP (0 °C and 1 atm), what volume does 1 mole of an ideal gas occupy?

  1. A6.02 L
  2. B273 L
  3. C22.4 L
  4. D1.0 L
7.困难

Ethene has the structure H₂C=CH₂. How many electrons are shared between the two carbon atoms?

  1. A2
  2. B6
  3. C8
  4. D4
8.困难

A scuba diver breathes compressed air deep underwater. Why must the diver breathe out while swimming up to the surface?

  1. AOxygen turns to liquid at the surface
  2. BThe water gets warmer near the surface
  3. CThe air in the lungs expands as the outside pressure falls
  4. DThe air in the lungs shrinks as the outside pressure falls

答案

  1. 1. A · Oxygen
  2. 2. C · Lipids
  3. 3. A · g/mL
  4. 4. B · 8.6 cm²
  5. 5. A · 40 g
  6. 6. C · 22.4 L
  7. 7. D · 4
  8. 8. C · The air in the lungs expands as the outside pressure falls

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