Which one of the followings is correctly matched?

Emulsion-curd: Emulsion is created when two liquids are combined. Milk and face cream are an example of this. 

Therefore, this choice is incorrect. 

Foam and mist: Foam forms when gas mixes with liquid, for example: shaving cream.\

Therefore, this choice is incorrect. 

aerosol – smoke: It is formed when solid and a gas are combined with each other, for example, aerosol.

As a result, this choice is right.  

Solid sol- cake: This is created when two solids are combined; milky glass is an example. 

Therefore, this choice is incorrect. 

Hence the correct option is (C).