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。

新练习卷在线练习，附提示

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姓名: ____________________   日期: ____________

1.简单

What is a molecule?

  1. AThe nucleus of an atom
  2. BA single atom with a positive charge
  3. CA mixture of two different elements
  4. DTwo or more atoms held together by covalent bonds
2.简单

What colour does blue litmus paper turn in an acid?

  1. APurple
  2. BRed
  3. CBlue (no change)
  4. DGreen
3.简单

Which method separates two liquids with different boiling points, such as alcohol and water?

  1. AFiltration
  2. BSieving
  3. CUsing a magnet
  4. DDistillation
4.中等

How many moles of gas are in 44.8 L at STP (0 °C and 1 atm)?

  1. A0.5 mol
  2. B44.8 mol
  3. C22.4 mol
  4. D2 mol
5.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
6.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降为零
  3. C增大
  4. D不变
7.困难

要配制 300 mL 2 M 的溶液，需要多少体积的 6 M 储备液？

  1. A100 mL
  2. B900 mL
  3. C50 mL
  4. D150 mL
8.困难

In the reaction NH₃ + H₂O ⇌ NH₄⁺ + OH⁻, which substance acts as the Brønsted–Lowry acid?

  1. ANH₃
  2. BOH⁻
  3. CH₂O
  4. DNH₄⁺ only

答案

  1. 1. D · Two or more atoms held together by covalent bonds
  2. 2. B · Red
  3. 3. D · Distillation
  4. 4. D · 2 mol
  5. 5. C · The reaction is exothermic
  6. 6. C · 增大
  7. 7. A · 100 mL
  8. 8. C · H₂O

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