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2.1.2a Particle structure and motion in solids, liquids and gases

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Question 10
a.

Water in a beaker is heated until it boils and turns into steam (gas).

Describe what happens to the arrangement, separation, and motion of the water molecules as the water changes from liquid to gas.

[3]
b.

When the steam touches a cold metal plate, drops of liquid water form on its surface.

Explain what happens to the steam molecules. State the name of the process.

[3]
Markscheme

2.1.2a Particle structure and motion in solids, liquids and gases Questions

  1. IGCSE
  2. /Physics
  3. /2.1.2a Particle structure and motion in solids, liquids and gases

151 exam-style questions on CIE IGCSE Physics 2.1.2a Particle structure and motion in solids, liquids and gases. Each one has a worked solution and a mark scheme showing where the marks go.

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