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 a cation?

  1. AA negatively charged ion
  2. BA neutral atom
  3. CA positively charged ion
  4. DA molecule with no charge
2.やさしい

An instant cold pack feels cold when the substance inside dissolves. How is this dissolving process classified?

  1. AExothermic
  2. BA neutralisation reaction
  3. CEndothermic
  4. DA combustion reaction
3.やさしい

What is gamma radiation?

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

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

  1. AThe amino group, –NH₂
  2. BThe methyl group, –CH₃
  3. CThe carboxyl group, –COOH
  4. DThe hydroxyl group of an alcohol, –OH
5.ふつう

水のモル質量はいくつか（H = 1 g/mol、O = 16 g/mol）。

  1. A32 g/mol
  2. B10 g/mol
  3. C17 g/mol
  4. D18 g/mol
6.ふつう

How does a catalyst speed up a reaction?

  1. AIt provides a different pathway with a lower activation energy
  2. BIt raises the temperature of the reactants so they move faster
  3. CIt makes the reaction more exothermic
  4. DIt adds extra reactant to the mixture
7.むずかしい

A salt is dissolved in water in an insulated cup, and the water temperature falls from 25 °C to 20 °C. Which statement is correct?

  1. ADissolving is endothermic; the water took heat from the salt
  2. BNo energy change occurred, because the temperature fell
  3. CDissolving is endothermic; the dissolving salt took heat from the water
  4. DDissolving is exothermic; the dissolving salt released heat into the water
8.むずかしい

When water boils, what is overcome?

  1. AHydrogen bonds between water molecules
  2. BThe ionic bonds between H⁺ and O²⁻
  3. CThe forces holding the oxygen nucleus together
  4. DThe covalent O–H bonds inside each molecule

解答

  1. 1. C · A positively charged ion
  2. 2. C · Endothermic
  3. 3. C · High-energy electromagnetic radiation with no mass or charge
  4. 4. C · The carboxyl group, –COOH
  5. 5. D · 18 g/mol
  6. 6. A · It provides a different pathway with a lower activation energy
  7. 7. C · Dissolving is endothermic; the dissolving salt took heat from the water
  8. 8. A · Hydrogen bonds between water molecules

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