Acertain skin lotion is a fine mixture of water and various oils. this lotion is cloudy and cannot be separated into oil and water by filtration. moreover, its components do not separate when left standing. what type of mixture is it?

The skin lotion being described above is an example of a colloid specifically an emulsions. Emulsion is a fine dispersion of the minute droplets of one liquid in another in which they are not soluble or miscible. The emulsion is a continuous phase. 

It will fall off and tip over. 

They are all solids.