Some oils are a mixture of more than one type of oil. Others are one substance, like corn oil. Since all probably have a little foreign matter and probably weren't perfectly purified during manufacturing, technically they are a mixture.
If the sugar does not dissolve it the oil, then it is not
It can be either. It is very often soybean oil, but can be a mixture of several. That is if it is labeled just cooking oil. If it is corn, canola, olive or some stated type, it should only be that kind.
It would be an mixture
It is a mixture.
Pure vegetable or olive oil does not contain gluten.
both
No: It is a mixture.
No. It is a mixture.
Crude oil is a complex mixture of hydrocarbons, as well as small amounts of sulfur, nitrogen, and other elements. Therefore, it is considered a mixture rather than a pure substance.
Petroleum is a mixture of hydrocarbons, which are compounds made up of hydrogen and carbon atoms. It is not a pure substance because it consists of multiple types of molecules with different properties.
A mixture of oil and water is a mixture, not an element. If by substance you mean not a pure substance (element or compound), then oil and water would be a substance (that is a mixture). If you mean oil and water separately, then oil is a mixture of hydrocarbons, and water is a compound (pure substance).
No, cooking oil cannot be removed from a mixture using a magnet. Cooking oil is not magnetic and therefore cannot be attracted or separated by a magnet. Other methods, such as filtration or centrifugation, are typically used to separate oil from a mixture.