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

What is the chemical formula of water?

  1. AHO₂
  2. BH₂O₂
  3. COH
  4. DH₂O
2.Easy

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

  1. ADissolved in water
  2. BA gas
  3. CA solid
  4. DA pure liquid
3.Easy

What is absolute zero?

  1. A0 K, about −273 °C, the lowest possible temperature
  2. B−100 °C, the coldest temperature on Earth
  3. C0 °F, the temperature of a salt and ice mixture
  4. D0 °C, the point at which pure water freezes into ice
4.Medium

Which coefficients balance __Na + __Cl₂ → __NaCl?

  1. A1, 2, 1
  2. B1, 1, 1
  3. C2, 2, 1
  4. D2, 1, 2
5.Medium

Why do group 1 metals such as sodium react so easily?

  1. AThey have one outer electron that is easily lost
  2. BTheir nuclei contain no neutrons
  3. CThey easily gain one extra electron
  4. DThey have a full outer shell of electrons
6.Medium

How does evaporation differ from boiling?

  1. AEvaporation produces a solid, while boiling produces a gas
  2. BEvaporation needs a higher temperature than boiling
  3. CEvaporation happens only at the surface and at any temperature; boiling happens throughout the liquid at a set temperature
  4. DEvaporation happens throughout the liquid at a set temperature; boiling happens only at the surface
7.Hard

Equal masses of sand and water sit in the sun and absorb the same amount of heat. Which warms up more, and why?

  1. AWater, because it has a higher specific heat capacity than sand
  2. BBoth warm equally, because they absorbed the same heat
  3. CSand, because it has a higher specific heat capacity than water
  4. DSand, because it has a lower specific heat capacity than water
8.Hard

5.85 g of NaCl (molar mass 58.5 g/mol) is dissolved to make 500 mL of solution. What is the molarity?

  1. A2 M
  2. B0.05 M
  3. C0.2 M
  4. D0.1 M

Answer key

  1. 1. D · H₂O
  2. 2. A · Dissolved in water
  3. 3. A · 0 K, about −273 °C, the lowest possible temperature
  4. 4. D · 2, 1, 2
  5. 5. A · They have one outer electron that is easily lost
  6. 6. C · Evaporation happens only at the surface and at any temperature; boiling happens throughout the liquid at a set temperature
  7. 7. D · Sand, because it has a lower specific heat capacity than water
  8. 8. C · 0.2 M

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