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

原子の中で、他と比べて質量がほとんどない粒子はどれか。

  1. A原子核全体
  2. B陽子
  3. C電子
  4. D中性子
3.やさしい

Which mixture is a suspension?

  1. ASugar dissolved in water
  2. BOxygen dissolved in water
  3. CSalt dissolved in water
  4. DSand stirred into water
4.ふつう

How should the volume of water in a graduated cylinder be read?

  1. AAt any angle, from the middle of the cylinder
  2. BAt eye level, from the bottom of the curved surface (meniscus)
  3. CFrom below, at the highest point the water touches the glass
  4. DFrom above the cylinder, at the top edge of the curved surface
5.ふつう

A solution has a pH of 2. What is its hydrogen ion concentration?

  1. A1 × 10⁻¹² mol/L
  2. B2 mol/L
  3. C1 × 10² mol/L
  4. D1 × 10⁻² mol/L
6.ふつう

Magnesium forms Mg²⁺ ions and oxygen forms O²⁻ ions. What is the formula of magnesium oxide?

  1. AMg₂O
  2. BMgO
  3. CMgO₂
  4. DMg₂O₂
7.むずかしい

A solution of a strong acid has pH 2. It is diluted with water to 10 times its original volume. What is the new pH?

  1. A1
  2. B3
  3. C20
  4. D0.2
8.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. BThe atom gains a proton
  3. CThe electron leaves the atom
  4. DEnergy is released, often as light

解答

  1. 1. B · The time taken for half of the radioactive atoms in a sample to decay
  2. 2. C · 電子
  3. 3. D · Sand stirred into water
  4. 4. B · At eye level, from the bottom of the curved surface (meniscus)
  5. 5. D · 1 × 10⁻² mol/L
  6. 6. B · MgO
  7. 7. B · 3
  8. 8. D · Energy is released, often as light

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