CAIE IGCSE Chemistry 1.1.3 Changes of state in terms of melting
Practise changes of state by naming physical changes and using melting and boiling points to justify the state of a substance.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- use melting and boiling points to deduce whether a substance is solid, liquid or gas
1.1.3—Changes of state in terms of melting question 1
[Maximum number: 2]
Particles behave differently when in different physical states.
Question (a)
(a)
Name the following changes of state.
[ 2 ]
Question (i)
(i)
Ice turning into water.
[ 1 ]
melting
Question (ii)
(ii)
Solid carbon dioxide turning directly into gaseous carbon dioxide at room temperature.
[ 1 ]
sublimation
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