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

What is the chemical formula of water?

  1. AOH
  2. BHO₂
  3. CH₂O
  4. DH₂O₂
2.Easy

What is the SI unit of energy?

  1. ANewton
  2. BJoule
  3. CKelvin
  4. DWatt
3.Easy

What should a student always wear to protect the eyes when working with chemicals?

  1. AContact lenses
  2. BSafety goggles
  3. CReading glasses
  4. DSunglasses
4.Medium

Why does water boil at a lower temperature at the top of a high mountain?

  1. AThe air is colder, so the water loses heat and boils sooner
  2. BThere is less oxygen dissolved in the water up there
  3. CThe air pressure is lower, so less vapour pressure is needed to boil
  4. DGravity is weaker, so the molecules escape more easily
5.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. B500 g
  3. C0.5 g
  4. D50 g
6.Medium

To which family of organic compounds does ethanol, C₂H₅OH, belong?

  1. AAlcohols
  2. BEsters
  3. CCarboxylic acids
  4. DAlkanes
7.Hard

Sulfuric acid reacts with sodium hydroxide: H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O. How many moles of NaOH neutralise 0.5 mol of H₂SO₄?

  1. A2 mol
  2. B0.5 mol
  3. C0.25 mol
  4. D1 mol
8.Hard

Blood is kept near pH 7.4 by a buffer. If extra acid (H⁺) enters the blood, what does the bicarbonate ion (HCO₃⁻) do?

  1. AIt turns into sodium chloride
  2. BIt releases more H⁺ ions of its own, making the blood even more acidic
  3. CIt binds the H⁺ as carbonic acid, so the pH drops only a little
  4. DIt raises the pH to 14

Answer key

  1. 1. C · H₂O
  2. 2. B · Joule
  3. 3. B · Safety goggles
  4. 4. C · The air pressure is lower, so less vapour pressure is needed to boil
  5. 5. D · 50 g
  6. 6. A · Alcohols
  7. 7. D · 1 mol
  8. 8. C · It binds the H⁺ as carbonic acid, so the pH drops only a little

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