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

Where do the mole ratios used in stoichiometry come from?

  1. AThe coefficients of the balanced equation
  2. BThe molar masses of the reactants
  3. CThe physical states of the substances
  4. DThe subscripts in each formula
2.やさしい

What is the melting point of a substance?

  1. AThe temperature at which it catches fire
  2. BThe temperature at which it dissolves in water
  3. CThe temperature at which its solid turns into a liquid
  4. DThe temperature at which its liquid turns into a gas
3.やさしい

How many electrons are shared in a double covalent bond?

  1. A8
  2. B4
  3. C6
  4. D2
4.ふつう

When diluting a concentrated acid, which method is safe?

  1. AMix them in any order, as long as it is fast
  2. BAdd the water quickly to the acid
  3. CAdd the water slowly to the acid
  4. DAdd the acid slowly to the water
5.ふつう

When mercury(II) oxide is heated, it reacts as 2HgO → 2Hg + O₂. What type of reaction is this?

  1. ASingle replacement
  2. BDecomposition
  3. CSynthesis
  4. DCombustion
6.ふつう

What is the molar mass of calcium carbonate, CaCO₃ (Ca = 40, C = 12, O = 16 g/mol)?

  1. A100 g/mol
  2. B116 g/mol
  3. C68 g/mol
  4. D84 g/mol
7.むずかしい

Why does food cook faster in a pressure cooker?

  1. AThe higher pressure raises the boiling point, so the water is hotter
  2. BThe higher pressure lowers the boiling point
  3. CSteam is trapped, so the water boils at a lower temperature
  4. DPressure itself breaks down the food, regardless of temperature
8.むずかしい

How many atoms in total are in 0.5 mol of water, H₂O?

  1. A3.01 × 10²³
  2. B6.02 × 10²³
  3. C9.03 × 10²³
  4. D1.81 × 10²⁴

解答

  1. 1. A · The coefficients of the balanced equation
  2. 2. C · The temperature at which its solid turns into a liquid
  3. 3. B · 4
  4. 4. D · Add the acid slowly to the water
  5. 5. B · Decomposition
  6. 6. A · 100 g/mol
  7. 7. A · The higher pressure raises the boiling point, so the water is hotter
  8. 8. C · 9.03 × 10²³

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