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

教师请注意： 可免费打印、复印并在课堂上使用。每份新练习题都有新的数值和独立的答案。欢迎在课程页面添加指向 ExamProblems 的链接。

姓名: ____________________   日期: ____________

1.简单

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

  1. ADissolved in water
  2. BA solid
  3. CA gas
  4. DA pure liquid
2.简单

Where are the transition metals located on the periodic table?

  1. AIn the central block, groups 3 to 12
  2. BIn group 1 on the far left
  3. CAbove the noble gases
  4. DIn group 18 on the far right
3.简单

What is the SI unit of energy?

  1. AKelvin
  2. BJoule
  3. CNewton
  4. DWatt
4.中等

Sulfur has 16 electrons. In which period of the periodic table is it?

  1. APeriod 3
  2. BPeriod 2
  3. CPeriod 16
  4. DPeriod 6
5.中等

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

  1. AHydrochloric acid
  2. BPotassium chloride
  3. CGlucose
  4. DSodium chloride
6.中等

When a nucleus emits an alpha particle, how do its mass number and atomic number change?

  1. AMass number stays the same and atomic number rises by 1
  2. BMass number falls by 4 and atomic number falls by 2
  3. CMass number falls by 2 and atomic number falls by 4
  4. DNeither changes
7.困难

Frying an egg turns the clear egg white solid and white. What happens to the proteins?

  1. AThey are burned to carbon dioxide and water
  2. BThey are denatured: their shape changes, but the peptide bonds stay intact
  3. CThey are hydrolysed, so the peptide bonds break into separate amino acids
  4. DThey are converted into fats
8.困难

血液被缓冲体系保持在 pH 7.4 附近。如果额外的酸（H⁺）进入血液，碳酸氢根离子（HCO₃⁻）会怎样？

  1. A它把 pH 提高到 14
  2. B它自己释放出更多的 H⁺ 离子，使血液更酸
  3. C它变成氯化钠
  4. D它把 H⁺ 结合成碳酸，所以 pH 只略有下降

答案

  1. 1. A · Dissolved in water
  2. 2. A · In the central block, groups 3 to 12
  3. 3. B · Joule
  4. 4. A · Period 3
  5. 5. C · Glucose
  6. 6. B · Mass number falls by 4 and atomic number falls by 2
  7. 7. B · They are denatured: their shape changes, but the peptide bonds stay intact
  8. 8. D · 它把 H⁺ 结合成碳酸，所以 pH 只略有下降

完整分步解答：请在 examproblems.com 上练习本主题。