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Tutor HuntTest QuestionsPhysics QuestionsYear 10 Physics Questions

 

Changes Of State (GCSE Physics)

The following is a GCSE Physics test covering 'Changes Of State' from the broader topic Particle Model Of Matter. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

What happens to the density of a substance when it changes from liquid to gas at constant temperature?
Which statement best explains why evaporation cools a liquid?
When water at 100 °C boils in an open pan, what is the energy transferred by the boiling used for?
At the melting point of a pure substance what happens while the substance is changing from solid to liquid?
A sealed container contains gas at its boiling point. What will happen if pressure above the liquid is increased?
Which choice best describes latent heat?
If 2.00 kg of water at 20.0 °C is heated to 80.0 °C, which formula and value give the energy required (take c = 4200 J/kg·°C)?
Which experimental change will increase the rate of evaporation from an open beaker of water?
A 0.100 kg sample of water at 20.0 °C is heated to boiling (100.0 °C). How much energy is required? (c = 4200 J/kg·°C)
Which change of state would show a large increase in internal energy but no change in temperature?
Why does a boiling liquid produce bubbles from its interior rather than only at the surface (evaporation)?