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

In a chemical equation, what does the symbol (aq) after a formula mean?

  1. AA gas
  2. BA pure liquid
  3. CDissolved in water
  4. DA solid
2.やさしい

What does the rule "like dissolves like" mean?

  1. ASolids dissolve only in other solids
  2. BOnly substances with identical formulas can ever dissolve in each other
  3. CEvery substance dissolves in water
  4. DPolar solvents dissolve polar substances, and nonpolar solvents dissolve nonpolar ones
3.やさしい

What colour does blue litmus paper turn in an acid?

  1. ARed
  2. BPurple
  3. CGreen
  4. DBlue (no change)
4.ふつう

Why does water boil at a lower temperature at the top of a high mountain?

  1. AThe air is colder, so the water loses heat and boils sooner
  2. BGravity is weaker, so the molecules escape more easily
  3. CThere is less oxygen dissolved in the water up there
  4. DThe air pressure is lower, so less vapour pressure is needed to boil
5.ふつう

When a nucleus emits an alpha particle, how do its mass number and atomic number change?

  1. AMass number stays the same and atomic number rises by 1
  2. BNeither changes
  3. CMass number falls by 2 and atomic number falls by 4
  4. DMass number falls by 4 and atomic number falls by 2
6.ふつう

Which statement describes a saturated fat?

  1. AIt is always liquid at room temperature
  2. BIt contains no carbon atoms
  3. CIts fatty acid chains have no carbon–carbon double bonds
  4. DIts fatty acid chains have many carbon–carbon double bonds
7.むずかしい

An element in period 3 forms an oxide with the formula X₂O₃. Which element is X?

  1. AAluminium
  2. BMagnesium
  3. CPhosphorus
  4. DSodium
8.むずかしい

Water is split as 2H₂O → 2H₂ + O₂. What volume of O₂ at STP (0 °C and 1 atm) forms from 2 mol of water?

  1. A11.2 L
  2. B22.4 L
  3. C44.8 L
  4. D67.2 L

解答

  1. 1. C · Dissolved in water
  2. 2. D · Polar solvents dissolve polar substances, and nonpolar solvents dissolve nonpolar ones
  3. 3. A · Red
  4. 4. D · The air pressure is lower, so less vapour pressure is needed to boil
  5. 5. D · Mass number falls by 4 and atomic number falls by 2
  6. 6. C · Its fatty acid chains have no carbon–carbon double bonds
  7. 7. A · Aluminium
  8. 8. B · 22.4 L

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