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

为什么水常被称为万能溶剂？

  1. A它是地球上唯一的液体
  2. B它能完全溶解所有物质
  3. C它比其他常见液体能溶解更多的物质
  4. D它的分子中任何地方都没有部分电荷，所以能与一切混合
2.简单

How does increasing the concentration of a reactant in solution usually affect the reaction rate?

  1. AThe reaction stops
  2. BThe rate decreases
  3. CThe rate increases
  4. DThe rate stays the same
3.简单

What is plasma, as a state of matter?

  1. AA solid that conducts electricity
  2. BA liquid that has been cooled below its freezing point
  3. CThe liquid part of blood
  4. DA very hot gas in which atoms have lost electrons and become ions
4.中等

在刚性密闭容器中加热气体时，其压强会怎样？

  1. A减小
  2. B不变
  3. C降为零
  4. D增大
5.中等

What is the name of the molecular compound CO?

  1. AMonocarbon oxide
  2. BCarbon monoxide
  3. CCarbon dioxide
  4. DCarbon oxide
6.中等

A reaction has ΔH = −890 kJ/mol. What does the negative sign tell you?

  1. AThe reaction is endothermic
  2. BThe reaction is at equilibrium
  3. CThe reaction is exothermic
  4. DThe reaction needs a catalyst
7.困难

Pepsin digests protein in the stomach at about pH 2, but it stops working once food moves into the small intestine, where the pH is higher. Why?

  1. APepsin is used up completely in the stomach, just like a reactant
  2. BThe small intestine is too cold for any enzyme
  3. CPepsin only works on fats in the small intestine
  4. DThe change in pH alters the shape of pepsin's active site
8.困难

用最小的整数配平 __Fe + __O₂ → __Fe₂O₃。系数是多少？

  1. A2, 3, 1
  2. B4, 3, 2
  3. C2, 1, 1
  4. D4, 3, 4

答案

  1. 1. C · 它比其他常见液体能溶解更多的物质
  2. 2. C · The rate increases
  3. 3. D · A very hot gas in which atoms have lost electrons and become ions
  4. 4. D · 增大
  5. 5. B · Carbon monoxide
  6. 6. C · The reaction is exothermic
  7. 7. D · The change in pH alters the shape of pepsin's active site
  8. 8. B · 4, 3, 2

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