A solution.
mechanical mixture
Mixture.
It depends upon nature of substances for example when Glucose or Salt are dissolved in water no new substance is formed so these are physical changes but when Ammonia gas is dissolved in water Ammonium and hydroxide ions are formed so it is a chemical change.
A solution is a mixture in which substance dissolves another one.
But I believe the answer you are looking for is a Solvent.
mechanical mixture
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.
It is a mixture
Seawater is a mixture. It is a combination of salt and water that is a homogeneous mixture. An example of a pure substance is either pure salt or pure sugar.
Brass is a mixture or a solution; these two terms are not mutually exclusive.
Mixture.
Yes
solution
To be a true solution seawater must be filtered.
Seawater may be considered a heterogeneous mixture because contain many insoluble materials.