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

What is the maximum number of electrons the first electron shell can hold?

  1. A8
  2. B2
  3. C18
  4. D1
2.简单

催化剂有什么作用？

  1. A提供反应的反应物
  2. B改变反应的产物
  3. C加快反应而自身不被消耗
  4. D减慢反应并被消耗
3.简单

An instant cold pack feels cold when the substance inside dissolves. How is this dissolving process classified?

  1. AA combustion reaction
  2. BA neutralisation reaction
  3. CEndothermic
  4. DExothermic
4.中等

According to the Brønsted–Lowry definition, what is an acid?

  1. AA hydroxide ion donor
  2. BA proton (H⁺) donor
  3. CAn electron pair donor
  4. DA proton (H⁺) acceptor
5.中等

哪组系数能配平方程式 __H₂ + __O₂ → __H₂O？

  1. A1, 2, 1
  2. B2, 1, 2
  3. C2, 2, 2
  4. D1, 1, 1
6.中等

氯离子的电荷是多少？

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

Orange bromine water is shaken with two hydrocarbons. With hexene it turns colourless; with hexane it stays orange. What does this show?

  1. AHexene is an alcohol and hexane is an acid
  2. BHexene contains a C=C double bond; hexane does not
  3. CBoth contain double bonds, but hexane reacts more slowly
  4. DHexane contains a C=C double bond; hexene does not
8.困难

Which statement correctly distinguishes a scientific law from a scientific theory?

  1. AA theory becomes a law once it is proved
  2. BA law is only a guess, while a theory is a proven fact
  3. CLaws apply only to chemistry, theories only to biology
  4. DA law describes what happens; a theory explains why it happens

答案

  1. 1. B · 2
  2. 2. C · 加快反应而自身不被消耗
  3. 3. C · Endothermic
  4. 4. B · A proton (H⁺) donor
  5. 5. B · 2, 1, 2
  6. 6. C · −1
  7. 7. B · Hexene contains a C=C double bond; hexane does not
  8. 8. D · A law describes what happens; a theory explains why it happens

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