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

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

What is a solution?

  1. AA solid that has been melted
  2. BA mixture in which particles settle out on standing
  3. CA mixture that is the same throughout (homogeneous)
  4. DA pure compound made of two elements
3.Easy

According to collision theory, what must happen for particles to react?

  1. AThey must both be in the solid state at the same time
  2. BThey must stay completely still next to each other
  3. CThey must collide with enough energy and the right orientation
  4. DThey must have the same mass
4.Medium

Which nuclear process powers the Sun?

  1. AFission of uranium into smaller nuclei
  2. BCombustion of hydrogen gas with oxygen in its core
  3. CAlpha decay of helium
  4. DFusion of hydrogen nuclei to form helium
5.Medium

At constant temperature, the volume of a gas is halved. What happens to its pressure?

  1. AIt doubles
  2. BIt becomes four times smaller
  3. CIt halves
  4. DIt stays the same
6.Medium

Why does ice float on liquid water?

  1. AIce is denser than liquid water
  2. BIce is less dense than liquid water
  3. CIce has a higher mass than the same volume of water
  4. DIce contains trapped air from the freezer
7.Hard

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

  1. A8
  2. B4
  3. C6
  4. D2
8.Hard

A solution contains 250 mg of a substance in every 5 mL. How many grams of the substance are in 100 mL?

  1. A5 g
  2. B50 g
  3. C5000 g
  4. D0.5 g

Answer key

  1. 1. C · 11
  2. 2. C · A mixture that is the same throughout (homogeneous)
  3. 3. C · They must collide with enough energy and the right orientation
  4. 4. D · Fusion of hydrogen nuclei to form helium
  5. 5. A · It doubles
  6. 6. B · Ice is less dense than liquid water
  7. 7. B · 4
  8. 8. A · 5 g

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