Changes of State (OCR GCSE Physics A (Gateway Science Suite)): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What happens to mass during a change of state?
What happens to mass during a change of state?
Mass is conserved
If 20g of liquid evaporates, what is the mass of the gas produced?
If 20g of liquid evaporates, what is the mass of the gas produced?
20g
Are changes of state reversible?
Are changes of state reversible?
Yes, physical changes are reversible
Why are changes of state not chemical changes?
Why are changes of state not chemical changes?
Material retains original properties
What is the process called when a solid changes to a liquid?
What is the process called when a solid changes to a liquid?
Melting
What is the process called when a liquid changes to a solid?
What is the process called when a liquid changes to a solid?
Freezing
What is the process called when a gas changes to a liquid?
What is the process called when a gas changes to a liquid?
Condensation
What is the process called when a solid changes directly to a gas?
What is the process called when a solid changes directly to a gas?
Sublimation
What is the process called when a gas changes directly to a solid?
What is the process called when a gas changes directly to a solid?
Deposition
Where does evaporation occur in a liquid?
Where does evaporation occur in a liquid?
Only on the surface
Why do only surface particles evaporate from a liquid?
Why do only surface particles evaporate from a liquid?
They have enough energy
What is the process called when a liquid changes to a gas?
What is the process called when a liquid changes to a gas?
Boiling