It is called a heterogeneous mixture.
See the Related Questions for more information.
It is called a solution. A solution is a mixture that mixes without on being the solute and one the solvent.
Two substances are immiscible if they do not dissolve in one another.
This is known as a mixture. Helped? XD
mixture
These substances are called reactants.
Mixtures don't chemically react with each other.
It would be a compound.
digestion
Two or more elements combined chemically is a compound and the smallest unit is a molecule.
a compound
This is called a compound.
Atoms that chemically combine form a molecule.
Two or more substances may combine chemically under certain conditions and form compounds.
a mixture
Two or more substances mixed together but not chemically combined form a mixture.
mixed substances
when substances are combined it is sometimes called a mixture.
Charged atoms, called ions, form ionic compounds when they combine chemically with one another.
This is called a mixture.
A substance can be a mixture or solution, rather than a compound. These do not require that the separate substances combine chemically. An element is a substance that has only one type of atom.
These substances are called reactants.