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

What does the double arrow (⇌) in a chemical equation show?

  1. AThe reaction needs a catalyst
  2. BThe reaction is reversible
  3. CThe reaction is very fast
  4. DThe reaction releases heat
2.简单

在盐溶液中，盐称为什么？

  1. A催化剂
  2. B溶质
  3. C溶剂
  4. D沉淀
3.简单

DNA belongs to which group of biological molecules?

  1. ALipids
  2. BNucleic acids
  3. CProteins
  4. DCarbohydrates
4.中等

What is the molar mass of sodium chloride, NaCl (Na = 23, Cl = 35.5 g/mol)?

  1. A58.5 g/mol
  2. B12.5 g/mol
  3. C81.5 g/mol
  4. D23 g/mol
5.中等

What are London dispersion forces?

  1. AForces that hold protons together in the nucleus
  2. BStrong bonds formed by transferring electrons
  3. CAttractions between a hydrogen atom and a metal ion
  4. DWeak, temporary attractions caused by shifting electrons in molecules
6.中等

氯离子的电荷是多少？

  1. A−2
  2. B+1
  3. C−1
  4. D+7
7.困难

Why is incomplete combustion of fuel in a poorly ventilated room dangerous?

  1. AIt produces carbon monoxide, which binds to haemoglobin and blocks oxygen transport
  2. BIt produces nitrogen, which replaces oxygen in the blood
  3. CIt produces water vapour, which is toxic
  4. DIt produces extra oxygen, which damages the lining of the lungs over time
8.困难

A sealed rigid can holds gas at 2 atm and 27 °C. It is heated to 327 °C. What is the new pressure?

  1. A1 atm
  2. B24 atm
  3. C2.4 atm
  4. D4 atm

答案

  1. 1. B · The reaction is reversible
  2. 2. B · 溶质
  3. 3. B · Nucleic acids
  4. 4. A · 58.5 g/mol
  5. 5. D · Weak, temporary attractions caused by shifting electrons in molecules
  6. 6. C · −1
  7. 7. A · It produces carbon monoxide, which binds to haemoglobin and blocks oxygen transport
  8. 8. D · 4 atm

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