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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姓名: ____________________   日期: ____________

1.简单

Which element makes up the largest share of the human body by mass?

  1. ANitrogen
  2. BCarbon
  3. CHydrogen
  4. DOxygen
2.简单

Which three elements make up carbohydrates?

  1. ACarbon, nitrogen and sulfur
  2. BHydrogen, nitrogen and phosphorus
  3. CCarbon, hydrogen and nitrogen
  4. DCarbon, hydrogen and oxygen
3.简单

Which quantity is the same for 1 mole of any substance?

  1. AThe number of particles
  2. BThe volume as a liquid
  3. CThe number of atoms per molecule
  4. DThe mass in grams
4.中等

Which reacts more vigorously with water, potassium or sodium?

  1. ASodium, because it has fewer electron shells to shield its electron
  2. BPotassium, because its outer electron is farther from the nucleus
  3. CThey react equally, because both are in group 1
  4. DSodium, because its outer electron is farther from the nucleus
5.中等

Why does stirring help a solid dissolve faster?

  1. AIt turns the solid into a liquid
  2. BIt raises the temperature of the solvent by friction a great deal
  3. CIt brings fresh solvent into contact with the solid's surface
  4. DIt increases the amount of solute that can dissolve in total
6.中等

How does ionisation energy (the energy needed to remove an outer electron) generally change from left to right across a period?

  1. AIt first falls, then rises sharply
  2. BIt decreases
  3. CIt increases
  4. DIt stays the same
7.困难

Why is gamma radiation used to sterilise sealed medical supplies such as syringes?

  1. AIt heats the items to very high temperatures, so the microbes are burned away inside the pack
  2. BIt passes through the packaging and kills microbes without making the items radioactive
  3. CIt is stopped by the packaging, so it only cleans the outside
  4. DIt adds a protective chemical coating to the items
8.困难

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

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

答案

  1. 1. D · Oxygen
  2. 2. D · Carbon, hydrogen and oxygen
  3. 3. A · The number of particles
  4. 4. B · Potassium, because its outer electron is farther from the nucleus
  5. 5. C · It brings fresh solvent into contact with the solid's surface
  6. 6. C · It increases
  7. 7. B · It passes through the packaging and kills microbes without making the items radioactive
  8. 8. C · The air in the lungs expands as the outside pressure falls

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