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 substance is a base?

  1. ALemon juice (citric acid)
  2. BVinegar (acetic acid)
  3. CSodium hydroxide (NaOH)
  4. DHydrochloric acid (HCl)
2.Easy

What is the change from a gas to a liquid called?

  1. ASublimation
  2. BEvaporation
  3. CCondensation
  4. DFreezing
3.Easy

Which positive ion is found in the highest concentration inside most body cells?

  1. ASodium (Na⁺)
  2. BCalcium (Ca²⁺)
  3. CMagnesium (Mg²⁺)
  4. DPotassium (K⁺)
4.Medium

Which bond joins amino acids together in a protein?

  1. AA peptide bond
  2. BA hydrogen bond
  3. CAn ionic bond
  4. DA glycosidic bond
5.Medium

Which halogen is the most reactive?

  1. AChlorine
  2. BBromine
  3. CIodine
  4. DFluorine
6.Medium

Which kind of reaction is Zn + 2HCl → ZnCl₂ + H₂?

  1. ASingle replacement
  2. BSynthesis
  3. CDouble replacement
  4. DDecomposition
7.Hard

Cells oxidise glucose to CO₂ and water, as burning glucose does. How does cellular respiration differ from burning?

  1. AIt does not need oxygen at any stage
  2. BIt releases the energy in many small, enzyme-controlled steps
  3. CIt releases much more total energy than burning the same glucose
  4. DIt produces different products from burning
8.Hard

Ethanol (CH₃CH₂OH) and dimethyl ether (CH₃OCH₃) have the same formula, C₂H₆O, but ethanol boils at a much higher temperature. Why?

  1. ADimethyl ether is ionic and ethanol is covalent
  2. BEthanol has an O–H group, so its molecules form hydrogen bonds with each other
  3. CEthanol has more carbon atoms
  4. DEthanol molecules are heavier than dimethyl ether molecules

Answer key

  1. 1. C · Sodium hydroxide (NaOH)
  2. 2. C · Condensation
  3. 3. D · Potassium (K⁺)
  4. 4. A · A peptide bond
  5. 5. D · Fluorine
  6. 6. A · Single replacement
  7. 7. B · It releases the energy in many small, enzyme-controlled steps
  8. 8. B · Ethanol has an O–H group, so its molecules form hydrogen bonds with each other

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