Chemistry for nursing entrance exams worksheet with answers

Free printable Chemistry for nursing entrance exams worksheet: 8 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

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1.Easy

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

  1. A16 g/mol
  2. B48 g/mol
  3. C32 g/mol
  4. D8 g/mol
2.Easy

What is a mole in chemistry?

  1. AThe mass of a single carbon-12 atom
  2. BThe number of protons in an atom
  3. CThe volume of one litre of any gas
  4. DAn amount of substance containing 6.02 × 10²³ particles
3.Easy

What should a student always wear to protect the eyes when working with chemicals?

  1. AContact lenses
  2. BSafety goggles
  3. CReading glasses
  4. DSunglasses
4.Medium

Which kind of reaction is AgNO₃ + NaCl → AgCl + NaNO₃?

  1. ACombustion
  2. BDouble replacement
  3. CSingle replacement
  4. DDecomposition
5.Medium

You dilute 100 mL of a 2 M solution to a total volume of 400 mL. What is the new concentration?

  1. A1 M
  2. B2 M
  3. C0.5 M
  4. D8 M
6.Medium

Radioactive iodine (iodine-131) is used to treat some thyroid conditions. Why does it reach the thyroid?

  1. AIodine-131 is not radioactive inside the body
  2. BRadiation is always drawn toward the head
  3. CIodine is strongly attracted to the metal ions stored in the neck
  4. DThe thyroid gland takes up iodine to make its hormones
7.Hard

What is the oxidation number of manganese in potassium permanganate, KMnO₄?

  1. A−1
  2. B+1
  3. C+7
  4. D+4
8.Hard

How many atoms are in one molecule of glucose, C₆H₁₂O₆?

  1. A3
  2. B24
  3. C18
  4. D72

Answer key

  1. 1. C · 32 g/mol
  2. 2. D · An amount of substance containing 6.02 × 10²³ particles
  3. 3. B · Safety goggles
  4. 4. B · Double replacement
  5. 5. C · 0.5 M
  6. 6. D · The thyroid gland takes up iodine to make its hormones
  7. 7. C · +7
  8. 8. B · 24

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