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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Name: ____________________   Date: ____________

1.Easy

Which element makes up the largest share of the human body by mass?

  1. ANitrogen
  2. BHydrogen
  3. COxygen
  4. DCarbon
2.Easy

What is a vertical column of the periodic table called?

  1. AA shell
  2. BA period
  3. CA group
  4. DA series
3.Easy

What does the coefficient 3 in "3H₂O" mean?

  1. AWater has a charge of 3
  2. BEach water molecule has three oxygen atoms
  3. CThere are three molecules (or moles) of water
  4. DEach molecule of water contains three hydrogen atoms
4.Medium

Which reacts more vigorously with water, potassium or sodium?

  1. AThey react equally, because both are in group 1
  2. BSodium, because its outer electron is farther from the nucleus
  3. CPotassium, because its outer electron is farther from the nucleus
  4. DSodium, because it has fewer electron shells to shield its electron
5.Medium

Why is a carbon dioxide extinguisher effective on many fires?

  1. ACO₂ reacts chemically with the fuel to make it non-flammable
  2. BCO₂ adds oxygen to cool the flames
  3. CCO₂ is a liquid that soaks into the fuel
  4. DCO₂ is denser than air and pushes oxygen away from the fire
6.Medium

According to the Brønsted–Lowry definition, what is an acid?

  1. AA proton (H⁺) acceptor
  2. BA proton (H⁺) donor
  3. CA hydroxide ion donor
  4. DAn electron pair donor
7.Hard

Which pair of substances could form a buffer solution?

  1. ACarbonic acid (H₂CO₃) and bicarbonate (HCO₃⁻)
  2. BSodium chloride (NaCl) and water
  3. CHydrochloric acid (HCl) and sodium hydroxide (NaOH)
  4. DHydrochloric acid (HCl) and chloride (Cl⁻)
8.Hard

The true volume in a flask is 10.0 mL. A student measures it three times and gets 8.1 mL, 8.1 mL and 8.2 mL. How are these results best described?

  1. ABoth accurate and precise
  2. BPrecise but not accurate
  3. CNeither accurate nor precise
  4. DAccurate but not precise

Answer key

  1. 1. C · Oxygen
  2. 2. C · A group
  3. 3. C · There are three molecules (or moles) of water
  4. 4. C · Potassium, because its outer electron is farther from the nucleus
  5. 5. D · CO₂ is denser than air and pushes oxygen away from the fire
  6. 6. B · A proton (H⁺) donor
  7. 7. A · Carbonic acid (H₂CO₃) and bicarbonate (HCO₃⁻)
  8. 8. B · Precise but not accurate

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