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 does organic chemistry study?

  1. ACompounds based on carbon
  2. BOnly the noble gases
  3. CCompounds made of metals
  4. DOnly compounds found in plants
2.简单

What is gamma radiation?

  1. AA slow-moving electron
  2. BHigh-energy electromagnetic radiation with no mass or charge
  3. CA fast stream of protons from the nucleus
  4. DA stream of helium nuclei with a positive charge
3.简单

一个中性原子有 11 个质子。它有多少个电子?

  1. A10
  2. B11
  3. C12
  4. D22
4.中等

Which nuclear process powers the Sun?

  1. AAlpha decay of helium
  2. BFission of uranium into smaller nuclei
  3. CCombustion of hydrogen gas with oxygen in its core
  4. DFusion of hydrogen nuclei to form helium
5.中等

A reaction is at equilibrium. More of one reactant is added. According to Le Chatelier's principle, what happens?

  1. AThe reaction stops completely
  2. BThe equilibrium shifts toward the reactants
  3. CNothing changes
  4. DThe equilibrium shifts toward the products
6.中等

A solution has a pH of 10. What is its pOH at 25 °C?

  1. A14
  2. B24
  3. C10
  4. D4
7.困难

Which compound contains both ionic and covalent bonds?

  1. AMethane, CH₄
  2. BWater, H₂O
  3. CSodium sulfate, Na₂SO₄
  4. DSodium chloride, NaCl
8.困难

2090 J of heat is added to 50 g of water (specific heat 4.18 J/g·°C). By how much does its temperature rise?

  1. A5 °C
  2. B10 °C
  3. C41.8 °C
  4. D20 °C

答案

  1. 1. A · Compounds based on carbon
  2. 2. B · High-energy electromagnetic radiation with no mass or charge
  3. 3. B · 11
  4. 4. D · Fusion of hydrogen nuclei to form helium
  5. 5. D · The equilibrium shifts toward the products
  6. 6. D · 4
  7. 7. C · Sodium sulfate, Na₂SO₄
  8. 8. B · 10 °C

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