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

Which element is a metalloid?

  1. ASulfur
  2. BSilicon
  3. CSodium
  4. DArgon
2.Easy

Which element exists naturally as diatomic molecules (two atoms joined together)?

  1. AOxygen
  2. BHelium
  3. CIron
  4. DSodium
3.Easy

According to the Arrhenius definition, what does a base produce in water?

  1. AChloride ions (Cl⁻)
  2. BHydrogen ions (H⁺)
  3. CCarbonate ions (CO₃²⁻)
  4. DHydroxide ions (OH⁻)
4.Medium

What is the normal boiling point of a liquid?

  1. AThe temperature at which it first starts to evaporate
  2. BThe temperature at which its particles stop moving
  3. CThe temperature at which its vapour pressure equals 1 atmosphere
  4. DThe temperature at which its density is greatest
5.Medium

A magnesium atom loses two electrons. What is the ion formed?

  1. AMg²⁻
  2. BMg²⁺
  3. CMg⁻
  4. DMg⁺
6.Medium

What percentage of the mass of water (H₂O, 18 g/mol) is hydrogen (H = 1 g/mol)?

  1. AAbout 5.6%
  2. BAbout 67%
  3. CAbout 11%
  4. DAbout 89%
7.Hard

Which of these solutions conducts electricity best?

  1. AEthanol mixed with water
  2. BSugar dissolved in water
  3. CSodium chloride dissolved in water
  4. DPure distilled water
8.Hard

When sugar dissolves in water, why is it not a chemical change?

  1. AThe sugar is destroyed and replaced by water
  2. BHeat is always released when sugar dissolves
  3. CThe sugar molecules stay sugar and can be recovered
  4. DSugar reacts with water to form a new compound

Answer key

  1. 1. B · Silicon
  2. 2. A · Oxygen
  3. 3. D · Hydroxide ions (OH⁻)
  4. 4. C · The temperature at which its vapour pressure equals 1 atmosphere
  5. 5. B · Mg²⁺
  6. 6. C · About 11%
  7. 7. C · Sodium chloride dissolved in water
  8. 8. C · The sugar molecules stay sugar and can be recovered

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