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

In a chemical reaction, what is the limiting reactant?

  1. AThe reactant that is left over at the end
  2. BThe reactant with the largest mass
  3. CThe reactant that runs out first and stops the reaction
  4. DThe catalyst that controls the speed
2.Easy

In which state of matter do particles have a fixed shape and a fixed volume?

  1. ASolid
  2. BGas
  3. CLiquid
  4. DPlasma
3.Easy

Which gas makes up most of Earth's air?

  1. AOxygen
  2. BNitrogen
  3. CHydrogen
  4. DCarbon dioxide
4.Medium

Which measurement has three significant figures?

  1. A56
  2. B0.0056
  3. C5.0006
  4. D0.00560
5.Medium

Which equation shows a combustion reaction?

  1. ANaOH + HCl → NaCl + H₂O
  2. BCaCO₃ → CaO + CO₂
  3. CZn + CuSO₄ → ZnSO₄ + Cu
  4. DC₂H₅OH + 3O₂ → 2CO₂ + 3H₂O
6.Medium

How many molecules are in 2 mol of carbon dioxide?

  1. A1.20 × 10²⁴
  2. B2.00 × 10²³
  3. C3.01 × 10²³
  4. D6.02 × 10²³
7.Hard

Why is Dmitri Mendeleev's early periodic table regarded as such a success?

  1. AHe arranged the elements by atomic number, which he had discovered
  2. BHe left gaps and correctly predicted the properties of elements not yet discovered
  3. CHe discovered the noble gases and placed them in group 18
  4. DHe proved that the atoms of every element contain electrons
8.Hard

An element has the electron arrangement 2, 8, 7. Which ion will it most likely form?

  1. AA 1− ion
  2. BA 1+ ion
  3. CA 2− ion
  4. DA 7+ ion

Answer key

  1. 1. C · The reactant that runs out first and stops the reaction
  2. 2. A · Solid
  3. 3. B · Nitrogen
  4. 4. D · 0.00560
  5. 5. D · C₂H₅OH + 3O₂ → 2CO₂ + 3H₂O
  6. 6. A · 1.20 × 10²⁴
  7. 7. B · He left gaps and correctly predicted the properties of elements not yet discovered
  8. 8. A · A 1− ion

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