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 colour does blue litmus paper turn in an acid?

  1. APurple
  2. BRed
  3. CGreen
  4. DBlue (no change)
2.简单

What is the SI base unit of mass?

  1. AGram
  2. BKilogram
  3. CPound
  4. DNewton
3.简单

What is the chemical formula of carbon dioxide?

  1. ACO₃
  2. BCO₂
  3. CC₂O
  4. DCO
4.中等

Which measurement has three significant figures?

  1. A5.0006
  2. B56
  3. C0.0056
  4. D0.00560
5.中等

How many moles of gas are in 44.8 L at STP (0 °C and 1 atm)?

  1. A22.4 mol
  2. B44.8 mol
  3. C0.5 mol
  4. D2 mol
6.中等

Why does the vapour pressure of a liquid increase as it is heated?

  1. AThe molecules become heavier and press harder on the surface
  2. BThe liquid's volume decreases and squeezes out vapour
  3. CMore molecules have enough energy to escape into the gas phase
  4. DThe attractions between the molecules become stronger
7.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 expands as the outside pressure falls
  2. BThe air in the lungs shrinks as the outside pressure falls
  3. COxygen turns to liquid at the surface
  4. DThe water gets warmer near the surface
8.困难

某溶液的氢离子浓度为 1 × 10⁻⁹ mol/L。它的 pH 是多少，是酸性还是碱性？

  1. ApH 5，酸性
  2. BpH −9，酸性
  3. CpH 9，酸性
  4. DpH 9，碱性

答案

  1. 1. B · Red
  2. 2. B · Kilogram
  3. 3. B · CO₂
  4. 4. D · 0.00560
  5. 5. D · 2 mol
  6. 6. C · More molecules have enough energy to escape into the gas phase
  7. 7. A · The air in the lungs expands as the outside pressure falls
  8. 8. D · pH 9，碱性

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