Question : When camphor is heated, which of the following changes will take place?

Option 1: Solid to gas

Option 2: Solid to liquid to gas

Option 3: Liquid to gas

Option 4: Solid to liquid

Question : Fog is an example of:

Option 1: gas dispersed in gas

Option 2: liquid dispersed in gas

Option 3: solid dispersed in gas

Option 4: solid dispersed in a liquid