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

Why is water often called the universal solvent?

  1. AIt has no partial charges anywhere in its molecule, so it mixes with everything
  2. BIt dissolves more substances than other common liquids
  3. CIt dissolves every substance completely
  4. DIt is the only liquid found on Earth
2.Easy

Chlorine, bromine and iodine are examples of which group?

  1. ANoble gases
  2. BTransition metals
  3. CHalogens
  4. DAlkali metals
3.Easy

What is oxidation, in terms of electrons?

  1. AGain of electrons
  2. BLoss of electrons
  3. CGain of neutrons
  4. DLoss of protons
4.Medium

Which assumption is made about an ideal gas?

  1. AIts particles stay still at room temperature
  2. BIts particles have no attraction to each other
  3. CIts particles lose energy in every collision
  4. DIts particles are large, closely packed and strongly attracted
5.Medium

How does a solution with pH 3 compare with one at pH 5?

  1. AIt has 2 times more hydrogen ions
  2. BIt has the same number of hydrogen ions
  3. CIt has 100 times fewer hydrogen ions
  4. DIt has 100 times more hydrogen ions
6.Medium

What colour is phenolphthalein indicator in a basic solution?

  1. AColourless
  2. BYellow
  3. CPink
  4. DBlue
7.Hard

Which of these is a neutralisation reaction?

  1. AH₂SO₄ + 2KOH → K₂SO₄ + 2H₂O
  2. B2H₂O → 2H₂ + O₂
  3. CZn + CuSO₄ → ZnSO₄ + Cu
  4. DCH₄ + 2O₂ → CO₂ + 2H₂O
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 molecules are heavier than dimethyl ether molecules
  3. CEthanol has more carbon atoms
  4. DEthanol has an O–H group, so its molecules form hydrogen bonds with each other

Answer key

  1. 1. B · It dissolves more substances than other common liquids
  2. 2. C · Halogens
  3. 3. B · Loss of electrons
  4. 4. B · Its particles have no attraction to each other
  5. 5. D · It has 100 times more hydrogen ions
  6. 6. C · Pink
  7. 7. A · H₂SO₄ + 2KOH → K₂SO₄ + 2H₂O
  8. 8. D · Ethanol has an O–H group, so its molecules form hydrogen bonds with each other

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