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 does the rule "like dissolves like" mean?

  1. AEvery substance dissolves in water
  2. BPolar solvents dissolve polar substances, and nonpolar solvents dissolve nonpolar ones
  3. COnly substances with identical formulas can ever dissolve in each other
  4. DSolids dissolve only in other solids
2.Easy

What is the term for anything that has mass and takes up space?

  1. AMatter
  2. BForce
  3. CEnergy
  4. DHeat
3.Easy

What is the normal pH range of human arterial blood?

  1. A7.00 to 7.10
  2. B7.85 to 7.95
  3. C6.35 to 6.45
  4. D7.35 to 7.45
4.Medium

Which property is typical of ionic compounds such as NaCl?

  1. ABeing soft and easily bent like metals
  2. BConducting electricity as dry solids
  3. CHigh melting points; they conduct when dissolved
  4. DLow melting points and being gases at room temperature
5.Medium

What kind of bond is found in a molecule of oxygen gas, O₂?

  1. AA polar covalent single bond
  2. BAn ionic bond
  3. CA nonpolar covalent double bond
  4. DA metallic bond
6.Medium

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

  1. AMass number falls by 4 and atomic number falls by 2
  2. BMass number rises by 1 and atomic number stays the same
  3. CBoth fall by 1
  4. DMass number stays the same and atomic number rises by 1
7.Hard

A piece of copper is placed in zinc sulfate solution. Zinc is more reactive than copper. What happens?

  1. ANo reaction occurs
  2. BCopper replaces zinc, forming copper sulfate
  3. CZinc metal coats the copper and the solution turns blue
  4. DHydrogen gas is produced
8.Hard

Raising the temperature by 10 °C can roughly double the rate of many reactions. What is the main reason?

  1. AMany more collisions have at least the activation energy
  2. BThe reaction becomes more exothermic
  3. CThe activation energy itself is lowered by the extra heat
  4. DThe particles become larger and easier to hit

Answer key

  1. 1. B · Polar solvents dissolve polar substances, and nonpolar solvents dissolve nonpolar ones
  2. 2. A · Matter
  3. 3. D · 7.35 to 7.45
  4. 4. C · High melting points; they conduct when dissolved
  5. 5. C · A nonpolar covalent double bond
  6. 6. D · Mass number stays the same and atomic number rises by 1
  7. 7. A · No reaction occurs
  8. 8. A · Many more collisions have at least the activation energy

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