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

What is the name of the polyatomic ion NH₄⁺?

  1. ANitrate
  2. BNitride
  3. CAmmonium
  4. DAmmonia
2.Easy

In a chemical equation, what are the reactants?

  1. AThe catalysts written above the arrow
  2. BThe starting substances, written to the left of the arrow
  3. CThe new substances formed, written to the right of the arrow
  4. DThe numbers written in front of each formula
3.Easy

What is an element?

  1. AA particle with an electric charge
  2. BA substance made of only one kind of atom
  3. CA substance of two or more elements chemically bonded together
  4. DA physical mixture of different substances
4.Medium

Which equation shows a combustion reaction?

  1. AZn + CuSO₄ → ZnSO₄ + Cu
  2. BNaOH + HCl → NaCl + H₂O
  3. CCaCO₃ → CaO + CO₂
  4. DC₂H₅OH + 3O₂ → 2CO₂ + 3H₂O
5.Medium

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

  1. AMgO
  2. BMg₂O
  3. CMg₂O₂
  4. DMgO₂
6.Medium

A red blood cell is placed in pure water (a hypotonic solution). What happens?

  1. AWater enters the cell, which swells and may burst
  2. BNothing happens to the cell
  3. CSalt enters the cell, which shrinks
  4. DWater leaves the cell, which shrinks and wrinkles
7.Hard

Orange bromine water is shaken with two hydrocarbons. With hexene it turns colourless; with hexane it stays orange. What does this show?

  1. AHexene is an alcohol and hexane is an acid
  2. BHexane contains a C=C double bond; hexene does not
  3. CHexene contains a C=C double bond; hexane does not
  4. DBoth contain double bonds, but hexane reacts more slowly
8.Hard

Na⁺, Mg²⁺, F⁻ and O²⁻ all have 10 electrons. Which ion is the largest?

  1. AF⁻
  2. BO²⁻
  3. CNa⁺
  4. DMg²⁺

Answer key

  1. 1. C · Ammonium
  2. 2. B · The starting substances, written to the left of the arrow
  3. 3. B · A substance made of only one kind of atom
  4. 4. D · C₂H₅OH + 3O₂ → 2CO₂ + 3H₂O
  5. 5. A · MgO
  6. 6. A · Water enters the cell, which swells and may burst
  7. 7. C · Hexene contains a C=C double bond; hexane does not
  8. 8. B · O²⁻

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