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

About what percentage of dry air is oxygen?

  1. A50%
  2. B21%
  3. C78%
  4. D1%
2.やさしい

How does increasing the concentration of a reactant in solution usually affect the reaction rate?

  1. AThe rate stays the same
  2. BThe rate decreases
  3. CThe reaction stops
  4. DThe rate increases
3.やさしい

Which unit is commonly used for the density of a liquid?

  1. AmL/g
  2. Bg/mL
  3. Ckg
  4. Dg·mL
4.ふつう

How does an antacid tablet relieve heartburn caused by excess stomach acid?

  1. AAn acid in it lowers the stomach pH further
  2. BIt turns the acid into a gas that is absorbed
  3. CIt coats the stomach and stops all acid production
  4. DA weak base in it neutralises some of the acid
5.ふつう

What are isomers?

  1. AAtoms of the same element with different numbers of neutrons
  2. BCompounds with the same molecular formula but different structures
  3. CMolecules that contain the same number of bonds
  4. DCompounds with the same structure but different molecular formulas
6.ふつう

For the gas reaction N₂ + 3H₂ ⇌ 2NH₃, what is the effect of increasing the pressure?

  1. AThe NH₃ breaks down completely
  2. BThe equilibrium shifts to the left, toward N₂ and H₂
  3. CThere is no effect on the equilibrium
  4. DThe equilibrium shifts to the right, toward NH₃
7.むずかしい

In the Bohr model, what happens when an electron drops from a higher energy level to a lower one?

  1. AEnergy is absorbed from the surroundings
  2. BEnergy is released, often as light
  3. CThe atom gains a proton
  4. DThe electron leaves the atom
8.むずかしい

A sealed bag of crisps (potato chips) packed at sea level looks puffed up when it is carried to a high mountain. Why?

  1. AThe gas inside the bag is heated strongly by the mountain sunlight
  2. BThe outside air pressure is lower, so the gas inside expands
  3. CMore gas is produced by the crisps at altitude
  4. DThe bag becomes thinner and weaker at altitude

解答

  1. 1. B · 21%
  2. 2. D · The rate increases
  3. 3. B · g/mL
  4. 4. D · A weak base in it neutralises some of the acid
  5. 5. B · Compounds with the same molecular formula but different structures
  6. 6. D · The equilibrium shifts to the right, toward NH₃
  7. 7. B · Energy is released, often as light
  8. 8. B · The outside air pressure is lower, so the gas inside expands

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