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

Which type of bond forms when electrons are shared between atoms?

  1. AA metallic bond
  2. BA nuclear bond
  3. CAn ionic bond
  4. DA covalent bond
2.Easy

What do the letters STP stand for in gas chemistry?

  1. AStandard time and pressure
  2. BStable temperature point
  3. CStandard temperature and pressure
  4. DSpecific temperature and particles
3.Easy

What does the coefficient 3 in "3H₂O" mean?

  1. AEach molecule of water contains three hydrogen atoms
  2. BEach water molecule has three oxygen atoms
  3. CThere are three molecules (or moles) of water
  4. DWater has a charge of 3
4.Medium

What is the molar mass of calcium carbonate, CaCO₃ (Ca = 40, C = 12, O = 16 g/mol)?

  1. A116 g/mol
  2. B84 g/mol
  3. C100 g/mol
  4. D68 g/mol
5.Medium

When diluting a concentrated acid, which method is safe?

  1. AAdd the acid slowly to the water
  2. BMix them in any order, as long as it is fast
  3. CAdd the water quickly to the acid
  4. DAdd the water slowly to the acid
6.Medium

A bag of 5% (w/v) glucose solution (called 5% dextrose in the US) contains 5 g of glucose per 100 mL. How many grams of glucose are in 1 L?

  1. A5 g
  2. B0.5 g
  3. C500 g
  4. D50 g
7.Hard

What type of bonding is found in a piece of copper wire?

  1. AHydrogen bonding between copper atoms
  2. BIonic bonding between copper and chloride ions
  3. CCovalent bonding with shared pairs between two atoms only
  4. DMetallic bonding: ions in a sea of electrons
8.Hard

An isotope has a half-life of 8 days. How long does it take for 100 g to decay to 12.5 g?

  1. A32 days
  2. B24 days
  3. C16 days
  4. D64 days

Answer key

  1. 1. D · A covalent bond
  2. 2. C · Standard temperature and pressure
  3. 3. C · There are three molecules (or moles) of water
  4. 4. C · 100 g/mol
  5. 5. A · Add the acid slowly to the water
  6. 6. D · 50 g
  7. 7. D · Metallic bonding: ions in a sea of electrons
  8. 8. B · 24 days

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