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

About what percentage of dry air is oxygen?

  1. A78%
  2. B1%
  3. C21%
  4. D50%
2.简单

Which of these is a polyatomic ion?

  1. AOxide, O²⁻
  2. BSodium, Na⁺
  3. CSulfate, SO₄²⁻
  4. DChloride, Cl⁻
3.简单

According to the kinetic molecular theory, how do gas particles move?

  1. ASlowly in fixed positions
  2. BConstantly, randomly and in straight lines between collisions
  3. COnly when heated, and then in neat lines between the walls
  4. DAlways in a single direction, set by the pull of gravity
4.中等

升高温度通常如何影响反应速率？

  1. A使速率减慢
  2. B使反应完全停止
  3. C对速率没有影响
  4. D使速率加快
5.中等

Which substance is a non-electrolyte when dissolved in water?

  1. APotassium chloride
  2. BGlucose
  3. CSodium chloride
  4. DHydrochloric acid
6.中等

Which measurement has three significant figures?

  1. A5.0006
  2. B0.00560
  3. C56
  4. D0.0056
7.困难

What is the oxidation number of manganese in potassium permanganate, KMnO₄?

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

一个气球内有 300 K 时 2.0 L 的气体。在压强恒定下，加热到 450 K。新的体积是多少？

  1. A3.0 L
  2. B4.5 L
  3. C2.0 L
  4. D1.3 L

答案

  1. 1. C · 21%
  2. 2. C · Sulfate, SO₄²⁻
  3. 3. B · Constantly, randomly and in straight lines between collisions
  4. 4. D · 使速率加快
  5. 5. B · Glucose
  6. 6. B · 0.00560
  7. 7. A · +7
  8. 8. A · 3.0 L

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