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

Salt water is an example of which kind of matter?

  1. AA homogeneous mixture (solution)
  2. BA heterogeneous mixture
  3. CA pure element
  4. DA compound
2.Easy

Which functional group is found in all alcohols?

  1. AHydroxyl group (–OH)
  2. BCarboxyl group (–COOH)
  3. CAmino group (–NH₂)
  4. DCarbonyl group (C=O) only
3.Easy

For a given substance, in which state do its particles move fastest?

  1. ALiquid
  2. BGas
  3. CSolid
  4. DThey move at the same speed in all states
4.Medium

When diluting a concentrated acid, which method is safe?

  1. AMix them in any order, as long as it is fast
  2. BAdd the water quickly to the acid
  3. CAdd the acid slowly to the water
  4. DAdd the water slowly to the acid
5.Medium

Which type of bond holds the two atoms together in a nitrogen molecule, N₂?

  1. AA double covalent bond
  2. BAn ionic bond
  3. CA single covalent bond
  4. DA triple covalent bond
6.Medium

What is the molar mass of sodium chloride, NaCl (Na = 23, Cl = 35.5 g/mol)?

  1. A81.5 g/mol
  2. B12.5 g/mol
  3. C23 g/mol
  4. D58.5 g/mol
7.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. APrecise but not accurate
  2. BAccurate but not precise
  3. CNeither accurate nor precise
  4. DBoth accurate and precise
8.Hard

At the top of a high mountain, air still contains about 21% oxygen. Why do climbers still get less oxygen with each breath?

  1. ACold air contains no oxygen
  2. BThe total air pressure is lower, so the partial pressure of oxygen is lower
  3. COxygen is heavier, so it all sinks to sea level
  4. DThe percentage of oxygen in the air falls sharply as you climb higher

Answer key

  1. 1. A · A homogeneous mixture (solution)
  2. 2. A · Hydroxyl group (–OH)
  3. 3. B · Gas
  4. 4. C · Add the acid slowly to the water
  5. 5. D · A triple covalent bond
  6. 6. D · 58.5 g/mol
  7. 7. A · Precise but not accurate
  8. 8. B · The total air pressure is lower, so the partial pressure of oxygen is lower

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