Refined, Bleached, Deodorized Pure Corn Oil , a straight corn oil is clear and bright be used as a salad oil - the oil may be cooled to very low temperature without clouding or hazing , that is to...
No
it's darker,it tastes different,why wouldn't it It's darker because the seeds are toasted.
The most healthy oil is canola oil especially for cooking. Out of those two I believe that vegetable is the healthiest.
Yes, vegetable oil is any oil made from any seeds including corn, so corn oil is just one of may possible vegetable sourced oils.