A pure oil of one chemical formula is not even a mixture. However most oils are mixtures of many oils, and sometimes substances that are not even oils. Also it makes a difference if you are talking vegetable oil, cooking oil, machine oil, crude oil, etc. For example a machine oil with either Teflon or graphite added is definitely a heterogeneous mixture.
Ammonia (NH3) is a compound, not an element. It is a homogeneous mixture when dissolved in water, but a pure sample of ammonia gas is considered a compound.
An element is a pure substance composed of only one type of atom and is homogeneous. A compound is a pure substance composed of two or more elements chemically bonded together and is homogeneous. Both elements and compounds are homogeneous in nature.
Non-iodized table salt is a homogeneous mixture because the salt crystals are evenly distributed throughout the mixture, resulting in a uniform composition.
Salt is a compound composed of sodium and chloride ions. It is a pure substance, not a mixture.
Ammonia is not a mixture. It is a compound.
Motor oil is a homogeneous mixture composed of various compounds such as base oils and additives. It is not a single compound but a combination of different substances that are uniformly distributed throughout the oil.
If the sugar does not dissolve it the oil, then it is not
homogeneous
Mouthwash is a homogeneous mixture.
Homogeneous mixture
It is a homogenous mixture
Homogeneous mixture
Not, its a homogeneous solution (a mixture).
homogeneous mixture
Homogeneous mixture
compound
Homogeneous mixture