Looking at a Periodic Table, you will quickly notice the lack of any element called toothpastium. So that's right out. Looking at the list of ingredients, you will quickly notice there's more than one.
In other words: it's a mixture.
yes it is
toothpaste is a mixture that is made up of a lot of compounds.
Toothpaste is a mixture.
mechanical mixture
A solution.
solution
is aluminum can a substance or solution or mechanical
is aluminum can a substance or solution or mechanical
In a solution particles are not identifiable.
Solution.
Brass is a mixture or a solution; these two terms are not mutually exclusive.
Mixture.
mixture
mechanical mixture
Yes