Question text
16 A substance can exist in three different states: solid, liquid or gas. Each of the two statements below describes a change of state. change 1: Particles move much closer together but continue to travel throughout the substance. change 2: Particles stop travelling throughout the substance and just vibrate about fixed positions. Which changes of state do these statements describe? change 1 change 2 A condensation melting B condensation solidification C solidification condensation D solidification melting
16 A substance can exist in three different states: solid, liquid or gas.
Each of the two statements below describes a change of state.
change 1: Particles move much closer together but continue to travel throughout the substance.
change 2: Particles stop travelling throughout the substance and just vibrate about fixed positions.
Which changes of state do these statements describe?
change 1 change 2
A condensation melting
B condensation solidification
C solidification condensation
D solidification melting
Select your answer: