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

DNA belongs to which group of biological molecules?

  1. ALipids
  2. BNucleic acids
  3. CProteins
  4. DCarbohydrates
2.Easy

What does the atomic number of an element tell you?

  1. AThe number of atoms in one mole of the element
  2. BThe number of neutrons in each atom
  3. CThe total number of protons and neutrons in the nucleus
  4. DThe number of protons in each atom
3.Easy

What does the prefix "milli-" mean?

  1. AOne-thousandth (10⁻³)
  2. BOne-hundredth (10⁻²)
  3. COne thousand (10³)
  4. DOne-millionth (10⁻⁶)
4.Medium

When a nucleus emits a beta particle, how do its mass number and atomic number change?

  1. ABoth fall by 1
  2. BMass number falls by 4 and atomic number falls by 2
  3. CMass number stays the same and atomic number rises by 1
  4. DMass number rises by 1 and atomic number stays the same
5.Medium

What is the percent by mass of salt in a solution made from 15 g of salt and 135 g of water?

  1. A90%
  2. B10%
  3. C15%
  4. D11%
6.Medium

What is a saturated solution?

  1. AA solution with only a small amount of solute dissolved in a lot of solvent
  2. BA solution that holds as much solute as can dissolve at that temperature
  3. CA solution that conducts no electricity
  4. DA solution that contains no solvent at all
7.Hard

Ammonia (NH₃) has three bonding pairs and one lone pair on nitrogen. What is its shape?

  1. ATrigonal pyramidal
  2. BFlat triangle (trigonal planar)
  3. CTetrahedral
  4. DLinear
8.Hard

A balloon holds 2.0 L of gas at 300 K. At constant pressure, it is heated to 450 K. What is the new volume?

  1. A2.0 L
  2. B4.5 L
  3. C1.3 L
  4. D3.0 L

Answer key

  1. 1. B · Nucleic acids
  2. 2. D · The number of protons in each atom
  3. 3. A · One-thousandth (10⁻³)
  4. 4. C · Mass number stays the same and atomic number rises by 1
  5. 5. B · 10%
  6. 6. B · A solution that holds as much solute as can dissolve at that temperature
  7. 7. A · Trigonal pyramidal
  8. 8. D · 3.0 L

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