解答つき看護学校入学試験のための化学ワークシート

無料で印刷できる看護学校入学試験のための化学のワークシート：やさしい問題から試験レベルまで 8 問、解答つき。印刷するか PDF で保存できます。

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名前: ____________________   日付: ____________

1.やさしい

What is the half-life of a radioactive isotope?

  1. AHalf the time it takes for all the atoms to decay
  2. BHalf the number of protons in the nucleus
  3. CThe time taken for the mass of a sample to double in size
  4. DThe time taken for half of the radioactive atoms in a sample to decay
2.やさしい

Which group of biological molecules includes fats, oils and cholesterol?

  1. ANucleic acids
  2. BProteins
  3. CLipids
  4. DCarbohydrates
3.やさしい

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

  1. AHydrogen
  2. BCarbon
  3. COxygen
  4. DNitrogen
4.ふつう

When the diaphragm contracts and the chest cavity gets bigger, what happens to the air pressure inside the lungs?

  1. AIt rises, so air flows in
  2. BIt falls, so air flows out
  3. CIt does not change
  4. DIt falls, so air flows in
5.ふつう

Which measurement has three significant figures?

  1. A0.00560
  2. B0.0056
  3. C5.0006
  4. D56
6.ふつう

Vinegar contains acetic acid, CH₃COOH. Which functional group makes it an acid?

  1. AThe methyl group, –CH₃
  2. BThe amino group, –NH₂
  3. CThe hydroxyl group of an alcohol, –OH
  4. DThe carboxyl group, –COOH
7.むずかしい

A reaction at equilibrium has a very large equilibrium constant (K much greater than 1). What does this tell you?

  1. AAt equilibrium, the mixture contains mostly products
  2. BThe reaction is very fast
  3. CThe reaction cannot reach equilibrium
  4. DAt equilibrium, the mixture contains mostly reactants
8.むずかしい

Burning a match is strongly exothermic, so why does it not catch fire until it is struck?

  1. AStriking makes the reaction endothermic
  2. BThe match must first absorb all its energy from the air
  3. CStriking supplies the activation energy to start the reaction
  4. DStriking pushes extra oxygen into the chemicals of the match head

解答

  1. 1. D · The time taken for half of the radioactive atoms in a sample to decay
  2. 2. C · Lipids
  3. 3. C · Oxygen
  4. 4. D · It falls, so air flows in
  5. 5. A · 0.00560
  6. 6. D · The carboxyl group, –COOH
  7. 7. A · At equilibrium, the mixture contains mostly products
  8. 8. C · Striking supplies the activation energy to start the reaction

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