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

Between which kinds of elements do ionic bonds usually form?

  1. ATwo noble gases
  2. BTwo identical metals
  3. CTwo nonmetals
  4. DA metal and a nonmetal
2.简单

Which element makes up the largest share of the human body by mass?

  1. AOxygen
  2. BCarbon
  3. CHydrogen
  4. DNitrogen
3.简单

What is the SI base unit of mass?

  1. APound
  2. BKilogram
  3. CNewton
  4. DGram
4.中等

A reaction has a theoretical yield of 20 g, but only 15 g of product is collected. What is the percent yield?

  1. A5%
  2. B75%
  3. C133%
  4. D25%
5.中等

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

  1. AA hydroxide ion donor
  2. BA proton (H⁺) donor
  3. CA proton (H⁺) acceptor
  4. DAn electron pair donor
6.中等

下列哪项描述的是强酸？

  1. A它总是浓度很高
  2. B它的 pH 高于 7
  3. C它在水中完全电离
  4. D它只部分释放氢离子
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. ABoth contain double bonds, but hexane reacts more slowly
  2. BHexene contains a C=C double bond; hexane does not
  3. CHexane contains a C=C double bond; hexene does not
  4. DHexene is an alcohol and hexane is an acid
8.困难

某物质在 801 °C 熔化，固态时不导电，熔融时导电。它最可能是哪类物质？

  1. A稀有气体
  2. B简单共价（分子）物质
  3. C离子化合物
  4. D金属

答案

  1. 1. D · A metal and a nonmetal
  2. 2. A · Oxygen
  3. 3. B · Kilogram
  4. 4. B · 75%
  5. 5. B · A proton (H⁺) donor
  6. 6. C · 它在水中完全电离
  7. 7. B · Hexene contains a C=C double bond; hexane does not
  8. 8. C · 离子化合物

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