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. ACondensation
  2. BDeposition
  3. CSublimation
  4. DFreezing
2.Easy

About what percentage of dry air is oxygen?

  1. A1%
  2. B21%
  3. C50%
  4. D78%
3.Easy

Standard atmospheric pressure (1 atm) is equal to how many millimetres of mercury?

  1. A760 mmHg
  2. B1000 mmHg
  3. C120 mmHg
  4. D100 mmHg
4.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
5.Medium

Why must temperatures be in kelvin in gas law calculations?

  1. ACelsius can only be used for liquids
  2. BKelvin values are always below 100
  3. CThe kelvin scale has smaller degrees, which gives more precise answers
  4. DGas volume and pressure are proportional to the absolute temperature
6.Medium

What is the mass of 0.5 mol of NaCl (molar mass 58.5 g/mol)?

  1. A117 g
  2. B0.5 g
  3. C29.25 g
  4. D58.5 g
7.Hard

What is the formula of calcium phosphate, made from Ca²⁺ and PO₄³⁻ ions?

  1. ACa₃PO₄
  2. BCaPO₄
  3. CCa₂(PO₄)₃
  4. DCa₃(PO₄)₂
8.Hard

A sealed rigid can holds gas at 2 atm and 27 °C. It is heated to 327 °C. What is the new pressure?

  1. A2.4 atm
  2. B4 atm
  3. C1 atm
  4. D24 atm

Answer key

  1. 1. B · Deposition
  2. 2. B · 21%
  3. 3. A · 760 mmHg
  4. 4. C · Isotonic
  5. 5. D · Gas volume and pressure are proportional to the absolute temperature
  6. 6. C · 29.25 g
  7. 7. D · Ca₃(PO₄)₂
  8. 8. B · 4 atm

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