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

Which is a sign that a chemical reaction may have taken place?

  1. AWater freezes into ice when put in a freezer
  2. BSugar dissolves completely when stirred into water
  3. CA block of wax melts when it is heated
  4. DA gas is produced when two liquids are mixed
2.やさしい

What is the molar mass of oxygen gas, O₂ (O = 16 g/mol)?

  1. A8 g/mol
  2. B32 g/mol
  3. C16 g/mol
  4. D48 g/mol
3.やさしい

ナトリウムの元素記号はどれか。

  1. ASo
  2. BS
  3. CNa
  4. DN
4.ふつう

A radioactive isotope has a half-life of 5 days. A sample starts with 80 g. How much is left after 10 days?

  1. A40 g
  2. B20 g
  3. C0 g
  4. D10 g
5.ふつう

What is the name of the molecular compound CO?

  1. AMonocarbon oxide
  2. BCarbon monoxide
  3. CCarbon dioxide
  4. DCarbon oxide
6.ふつう

Water climbs up a narrow glass tube. Which property mainly causes this?

  1. ALow density of water
  2. BEvaporation of water from the tube
  3. CAdhesion of water to the glass
  4. DWater's high boiling point
7.むずかしい

A carboxylic acid reacts with an alcohol in the presence of an acid catalyst. What are the products?

  1. AAn alkane and oxygen
  2. BA salt and hydrogen
  3. CAn amino acid and carbon dioxide
  4. DAn ester and water
8.むずかしい

Uranium-238 (atomic number 92) undergoes alpha decay. Which nucleus is formed?

  1. AThorium-238 (atomic number 90)
  2. BPlutonium-242 (atomic number 94)
  3. CThorium-234 (atomic number 90)
  4. DProtactinium-234 (atomic number 91)

解答

  1. 1. D · A gas is produced when two liquids are mixed
  2. 2. B · 32 g/mol
  3. 3. C · Na
  4. 4. B · 20 g
  5. 5. B · Carbon monoxide
  6. 6. C · Adhesion of water to the glass
  7. 7. D · An ester and water
  8. 8. C · Thorium-234 (atomic number 90)

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