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 an exothermic reaction?

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

What is an acid–base indicator?

  1. AA substance that neutralises every acid
  2. BA substance that changes colour depending on pH
  3. CA gas given off by acids
  4. DA device that measures temperature
3.Easy

A neutral atom has 11 protons. How many electrons does it have?

  1. A10
  2. B22
  3. C11
  4. D12
4.Medium

How does atomic radius change going down a group?

  1. AIt increases
  2. BIt decreases
  3. CIt stays the same
  4. DIt decreases, then increases
5.Medium

When two monomers join to form a larger molecule and a water molecule is released, what is the reaction called?

  1. ANeutralisation
  2. BCondensation (dehydration synthesis)
  3. CHydrolysis (splitting with water)
  4. DCombustion
6.Medium

Why can a very high fever disrupt the body's chemical reactions?

  1. AHigh temperatures make every enzyme work faster without any limit
  2. BHigh temperatures can change the shape of enzymes so they stop working
  3. CHigh temperatures remove the water from blood
  4. DHigh temperatures turn enzymes into fats
7.Hard

J.J. Thomson's cathode ray experiments led to which discovery?

  1. AAtoms have a dense, positively charged nucleus
  2. BThe nucleus contains uncharged neutrons
  3. CElectrons occupy fixed energy levels
  4. DAtoms contain small, negatively charged particles
8.Hard

The pH of a solution changes from 6 to 4. What happened to its hydrogen ion concentration?

  1. AIt became 2 times greater
  2. BIt became 2 times smaller
  3. CIt became 100 times greater
  4. DIt became 100 times smaller

Answer key

  1. 1. D · A reaction that releases heat to the surroundings
  2. 2. B · A substance that changes colour depending on pH
  3. 3. C · 11
  4. 4. A · It increases
  5. 5. B · Condensation (dehydration synthesis)
  6. 6. B · High temperatures can change the shape of enzymes so they stop working
  7. 7. D · Atoms contain small, negatively charged particles
  8. 8. C · It became 100 times greater

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