No: It is a mixture.
water is pure so is homogeneous ice is pure so is homogeneous oil is pure so is homogeneous
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).
It would be an mixture
gasoline is from crude oil so it's not a pure substance
both
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.
Crude oil is a mixture of short to long chain hydrocarbons. It has to be separated into many different fractions to become usable. It may also contain mineral impurities due to it being underground
It is a mixture.
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.
No, screened menthol orange is not a pure substance. It is a mixture of menthol and orange oil that has been processed to remove impurities.
Castor oil is classified as a pure substance because it consists primarily of triglycerides, specifically ricinoleic acid, without the presence of other substances. However, it can contain minor impurities depending on its source and processing. Overall, when referring to commercial castor oil, it is generally considered a pure substance due to its consistent chemical composition.
No. It is a mixture.