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 molar mass of oxygen gas, O₂ (O = 16 g/mol)?

  1. A8 g/mol
  2. B32 g/mol
  3. C16 g/mol
  4. D48 g/mol
2.Easy

What do the letters STP stand for in gas chemistry?

  1. AStable temperature point
  2. BStandard time and pressure
  3. CStandard temperature and pressure
  4. DSpecific temperature and particles
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 °C, the point at which pure water freezes into ice
  4. D0 °F, the temperature of a salt and ice mixture
4.Medium

Normal saline (0.9% NaCl) is used for IV fluids. How is it described compared with blood?

  1. AHypotonic
  2. BIsotonic
  3. CSaturated
  4. DHypertonic
5.Medium

How does a catalyst speed up a reaction?

  1. AIt adds extra reactant to the mixture
  2. BIt provides a different pathway with a lower activation energy
  3. CIt makes the reaction more exothermic
  4. DIt raises the temperature of the reactants so they move faster
6.Medium

What is a polymer?

  1. AA large molecule built from many repeating smaller units called monomers
  2. BA mixture of several different elements
  3. CAn ion with more than one charge
  4. DA small molecule containing only two atoms of one element
7.Hard

What is a triglyceride made of?

  1. AOne glycerol molecule joined to three fatty acids
  2. BThree amino acids joined by peptide bonds
  3. CThree glucose molecules joined together
  4. DOne fatty acid joined to three glycerol molecules
8.Hard

A reaction takes in 50 kJ of energy from the surroundings. Which statement is true?

  1. AIt is endothermic, and the products have more energy than the reactants
  2. BIt is endothermic, and the products have less energy than the reactants
  3. CIt is exothermic, and the products have less energy than the reactants
  4. DNo energy change happened, because energy is conserved

Answer key

  1. 1. B · 32 g/mol
  2. 2. C · Standard temperature and pressure
  3. 3. A · 0 K, about −273 °C, the lowest possible temperature
  4. 4. B · Isotonic
  5. 5. B · It provides a different pathway with a lower activation energy
  6. 6. A · A large molecule built from many repeating smaller units called monomers
  7. 7. A · One glycerol molecule joined to three fatty acids
  8. 8. A · It is endothermic, and the products have more energy than the reactants

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