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 an alloy?

  1. AA pure metal in its natural state
  2. BA mixture of a metal with one or more other elements
  3. CA nonmetal that conducts electricity
  4. DA compound formed when a metal reacts with oxygen
2.Easy

According to the Arrhenius definition, what does an acid produce in water?

  1. AHydroxide ions (OH⁻)
  2. BOxide ions (O²⁻)
  3. CSodium ions (Na⁺)
  4. DHydrogen ions (H⁺)
3.Easy

What are enzymes?

  1. ASugars that store energy in the liver
  2. BBiological catalysts, usually proteins
  3. CFats that form most of the cell membrane
  4. DMinerals that build bone
4.Medium

What is a saturated solution?

  1. AA solution that contains no solvent at all
  2. BA solution that holds as much solute as can dissolve at that temperature
  3. CA solution that conducts no electricity
  4. DA solution with only a small amount of solute dissolved in a lot of solvent
5.Medium

What is the formula of the hydroxide ion?

  1. AO²⁻
  2. BH₃O⁺
  3. COH⁺
  4. DOH⁻
6.Medium

What is the molar mass of calcium carbonate, CaCO₃ (Ca = 40, C = 12, O = 16 g/mol)?

  1. A116 g/mol
  2. B84 g/mol
  3. C68 g/mol
  4. D100 g/mol
7.Hard

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

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

Burning a match is strongly exothermic, so why does it not catch fire until it is struck?

  1. AStriking makes the reaction endothermic
  2. BThe match must first absorb all its energy from the air
  3. CStriking supplies the activation energy to start the reaction
  4. DStriking pushes extra oxygen into the chemicals of the match head

Answer key

  1. 1. B · A mixture of a metal with one or more other elements
  2. 2. D · Hydrogen ions (H⁺)
  3. 3. B · Biological catalysts, usually proteins
  4. 4. B · A solution that holds as much solute as can dissolve at that temperature
  5. 5. D · OH⁻
  6. 6. D · 100 g/mol
  7. 7. D · No reaction occurs
  8. 8. C · Striking supplies the activation energy to start the reaction

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