NO
mixture
concrete is a mixture
Concrete is a mixture of different substances (compounds) not a sinle compound.
Concrete is a mixture, not a pure substance. It is made up of various substances such as cement, water, aggregates (sand, gravel), and additives. Each of these components retains its own properties and can be physically separated from the others.
elemental copper
pure substance, propanone
it is a pure substance.... not
Pure substance
Methane is a pure substance.
Water is a pure substance because it is composed of just one type of molecule containing two hydrogen atoms and one oxygen atom. Milk, soil, and concrete are all mixtures composed of various substances.
pure substance
pure substance