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

A food Calorie (written with a capital C) equals which amount of energy?

  1. A1 kilojoule (1000 J)
  2. B1 calorie
  3. C1 joule
  4. D1 kilocalorie
2.Easy

What is an exothermic reaction?

  1. AA reaction in which no energy changes at all
  2. BA reaction that absorbs heat from the surroundings
  3. CA reaction that needs light to start
  4. DA reaction that releases heat to the surroundings
3.Easy

What does the prefix "milli-" mean?

  1. AOne-millionth (10⁻⁶)
  2. BOne-hundredth (10⁻²)
  3. COne-thousandth (10⁻³)
  4. DOne thousand (10³)
4.Medium

Which compound is formed between calcium (Ca²⁺) and chlorine (Cl⁻)?

  1. ACa₂Cl₃
  2. BCaCl
  3. CCaCl₂
  4. DCa₂Cl
5.Medium

How does a catalyst speed up a reaction?

  1. AIt adds extra reactant to the mixture
  2. BIt provides a different pathway with a lower activation energy
  3. CIt makes the reaction more exothermic
  4. DIt raises the temperature of the reactants so they move faster
6.Medium

Using significant figures, what is 2.5 cm × 3.42 cm?

  1. A9 cm²
  2. B8.6 cm²
  3. C8.550 cm²
  4. D8.55 cm²
7.Hard

Ethene has the structure H₂C=CH₂. How many electrons are shared between the two carbon atoms?

  1. A4
  2. B2
  3. C8
  4. D6
8.Hard

A substance melts at 801 °C, does not conduct as a solid but conducts when molten. What type of substance is it most likely?

  1. AA noble gas
  2. BAn ionic compound
  3. CA metal
  4. DA simple covalent (molecular) substance

Answer key

  1. 1. D · 1 kilocalorie
  2. 2. D · A reaction that releases heat to the surroundings
  3. 3. C · One-thousandth (10⁻³)
  4. 4. C · CaCl₂
  5. 5. B · It provides a different pathway with a lower activation energy
  6. 6. B · 8.6 cm²
  7. 7. A · 4
  8. 8. B · An ionic compound

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