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 change from a gas directly to a solid, skipping the liquid state, called?

  1. ASublimation
  2. BCondensation
  3. CFreezing
  4. DDeposition
2.Easy

What do an acid and a base produce when they neutralise each other?

  1. ACarbon dioxide only
  2. BA metal and hydrogen gas
  3. CA stronger acid
  4. DA salt and water
3.Easy

How are the elements arranged in the modern periodic table?

  1. ABy increasing atomic number
  2. BBy increasing number of neutrons
  3. CAlphabetically by their symbols
  4. DBy the date they were discovered
4.Medium

Potassium forms K⁺ ions and sulfur forms S²⁻ ions. What is the name and formula of their compound?

  1. APotassium sulfide, K₂S
  2. BPotassium sulfide, KS₂
  3. CPotassium sulfate, K₂SO₄
  4. DPotassium sulfite, KS
5.Medium

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

  1. AHypertonic
  2. BSaturated
  3. CIsotonic
  4. DHypotonic
6.Medium

When diluting a concentrated acid, which method is safe?

  1. AAdd the water quickly to the acid
  2. BAdd the acid slowly to the water
  3. CMix them in any order, as long as it is fast
  4. DAdd the water slowly to the acid
7.Hard

Frying an egg turns the clear egg white solid and white. What happens to the proteins?

  1. AThey are hydrolysed, so the peptide bonds break into separate amino acids
  2. BThey are denatured: their shape changes, but the peptide bonds stay intact
  3. CThey are burned to carbon dioxide and water
  4. DThey are converted into fats
8.Hard

A compound is a gas at room temperature, does not conduct electricity in any state, and is made of two nonmetals. What kind of substance is it most likely?

  1. AA metal with delocalised electrons
  2. BA giant covalent network solid
  3. CAn ionic compound (a lattice of ions)
  4. DA simple molecular (covalent) substance

Answer key

  1. 1. D · Deposition
  2. 2. D · A salt and water
  3. 3. A · By increasing atomic number
  4. 4. A · Potassium sulfide, K₂S
  5. 5. C · Isotonic
  6. 6. B · Add the acid slowly to the water
  7. 7. B · They are denatured: their shape changes, but the peptide bonds stay intact
  8. 8. D · A simple molecular (covalent) substance

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