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.

New worksheetPractise online with hints

For teachers: free to print, copy and use in class. Every new worksheet has new values and its own answer key. A link to ExamProblems on your course page is appreciated.

Name: ____________________   Date: ____________

1.Easy

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

  1. AA pure liquid
  2. BA solid
  3. CDissolved in water
  4. DA gas
2.Easy

Which type of bond holds sodium chloride (table salt) together?

  1. ACovalent bonding
  2. BIonic bonding
  3. CMetallic bonding
  4. DHydrogen bonding
3.Easy

What is the name for the attraction of water molecules to each other?

  1. ADiffusion
  2. BOsmosis
  3. CAdhesion
  4. DCohesion
4.Medium

How many lone (non-bonding) pairs of electrons are on the oxygen atom in a water molecule?

  1. A0
  2. B1
  3. C2
  4. D4
5.Medium

In the reaction 2H₂ + O₂ → 2H₂O, how many moles of water form from 3 moles of oxygen?

  1. A1.5 mol
  2. B2 mol
  3. C6 mol
  4. D3 mol
6.Medium

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

  1. ACombustion
  2. BDecomposition
  3. CSynthesis
  4. DSingle replacement
7.Hard

In the reaction 2Na + Cl₂ → 2NaCl, which substance is the oxidising agent?

  1. ANaCl
  2. BNa
  3. CNa⁺
  4. DCl₂
8.Hard

Making ammonia (N₂ + 3H₂ ⇌ 2NH₃) is exothermic. A low temperature would give a higher yield, yet factories use a moderately high temperature. Why?

  1. AHigher temperatures shift the equilibrium toward more ammonia
  2. BLow temperatures would make the ammonia explode
  3. CAt low temperatures the reaction is too slow to be useful
  4. DThe catalyst only works when the reaction is endothermic

Answer key

  1. 1. C · Dissolved in water
  2. 2. B · Ionic bonding
  3. 3. D · Cohesion
  4. 4. C · 2
  5. 5. C · 6 mol
  6. 6. B · Decomposition
  7. 7. D · Cl₂
  8. 8. C · At low temperatures the reaction is too slow to be useful

Full step-by-step solutions: practise this topic on examproblems.com.