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 gamma radiation?

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

Which state of matter has neither a fixed shape nor a fixed volume?

  1. ACrystal
  2. BSolid
  3. CLiquid
  4. DGas
3.简单

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

  1. AFiltration
  2. BUsing a magnet
  3. CDistillation
  4. DSieving
4.中等

In a closed container, 10 g of substance A reacts completely with 5 g of substance B. What is the total mass of the products?

  1. A5 g
  2. B50 g
  3. C15 g
  4. D10 g
5.中等

Which is larger, a sodium atom (Na) or a sodium ion (Na⁺)?

  1. AThe sodium ion
  2. BThey are the same size
  3. CThe sodium atom
  4. DIt depends on the temperature
6.中等

氧气分子 O₂ 中是哪种键?

  1. A离子键
  2. B非极性共价双键
  3. C极性共价单键
  4. D金属键
7.困难

What is a triglyceride made of?

  1. AOne glycerol molecule joined to three fatty acids
  2. BThree glucose molecules joined together
  3. COne fatty acid joined to three glycerol molecules
  4. DThree amino acids joined by peptide bonds
8.困难

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

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

答案

  1. 1. D · High-energy electromagnetic radiation with no mass or charge
  2. 2. D · Gas
  3. 3. C · Distillation
  4. 4. C · 15 g
  5. 5. C · The sodium atom
  6. 6. B · 非极性共价双键
  7. 7. A · One glycerol molecule joined to three fatty acids
  8. 8. D · They are denatured: their shape changes, but the peptide bonds stay intact

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