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Fill in the blanks:
 
 PhysicalLooselyLess intermolecular
Intermolecular force CloselyChemical 
Liquids and GasesChangeSolid
Ionic forcePhysicalHeating
 
1. A toy ship is made by folding a sheet of paper and crushed. This is an example of __________ change.
 
2. Gases have a very weak __________ and very large intermolecular space.