Will vegetable oil mix with water?

Answer 1

No. the oil always rests on the top of the water, this is because oil and water are 'immiscible' if you wanted to get them to mix together you can add washing up liquid (emulsifier) to the mixture the mixture is then known as an emulsion because you added the emulsifier (washing up liquid)

Answer 2

You would need an emulsifier such as egg to mix the two together.

Answer 3

Yes. This is where we get hydrogenated oils from. A process used to make plastic.