Alcohol is a compound
A compound; regular drinking alcohol has formula C2H5OH, other alcohols have similar formulas. Of course, if you mixed more than one type of alcohol together, it would be a mixture.
Grain alcohol is a homogeneous mixture because it is composed of alcohol and water, which are completely mixed at the molecular level. It is not an element or compound on its own, but a mixture of different substances.
Concrete is a heterogeneous mixture composed of cement, sand, gravel, and water. It is not an element or 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.
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.
Sodium metal is an element, not a compound. It is a pure substance made up of only sodium atoms arranged in a lattice structure, making it a homogeneous material.
compound and element
Beverage alcohol (ethanol) is a compound. But in drinks it is mixed with other substances.
heterogeneous
compound
It is an element.
it is a heterogeneous
Concrete is a heterogeneous mixture.
heterogeneous
Homogeneous mixture
Vinegar is a homogeneous mixture.
heterogeneous
This is a heterogeneous mixture.