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

In a chemical equation, what does the symbol (aq) after a formula mean?

  1. AA gas
  2. BA pure liquid
  3. CDissolved in water
  4. DA solid
2.简单

What are the usual units of molar mass?

  1. Amol/g
  2. Bg/L
  3. Cmol/L
  4. Dg/mol
3.简单

水的化学式是什么？

  1. AOH
  2. BH₂O
  3. CHO₂
  4. DH₂O₂
4.中等

Which statement describes a saturated fat?

  1. AIts fatty acid chains have no carbon–carbon double bonds
  2. BIts fatty acid chains have many carbon–carbon double bonds
  3. CIt is always liquid at room temperature
  4. DIt contains no carbon atoms
5.中等

The amino acid glycine has an –NH₂ group and a –COOH group. What are these two groups called?

  1. AA hydroxyl group and a methyl group
  2. BAn amino group and a carboxyl group
  3. CA carbonyl group and an ester group
  4. DA phosphate group and a hydroxyl group
6.中等

氯离子的电荷是多少？

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

关于可逆反应中的催化剂，下列哪项说法正确？

  1. A它使两个方向的反应同样加快
  2. B它在反应进行时被消耗
  3. C它只加快正反应并阻止逆反应
  4. D它增加平衡时产物的量
8.困难

Raising the temperature by 10 °C can roughly double the rate of many reactions. What is the main reason?

  1. AThe particles become larger and easier to hit
  2. BThe reaction becomes more exothermic
  3. CThe activation energy itself is lowered by the extra heat
  4. DMany more collisions have at least the activation energy

答案

  1. 1. C · Dissolved in water
  2. 2. D · g/mol
  3. 3. B · H₂O
  4. 4. A · Its fatty acid chains have no carbon–carbon double bonds
  5. 5. B · An amino group and a carboxyl group
  6. 6. C · −1
  7. 7. A · 它使两个方向的反应同样加快
  8. 8. D · Many more collisions have at least the activation energy

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