Nitrogen (N) is a chemical element, not a solution; nitrogen can be obtained as a very pure gas.
Mixture
Refined substance can be a pure substance depending on the type of sugar used. If the refined sugar is white, then it is a pure substance. If it the refined sugar is brown, then it is not a pure substance.
Substance has two meanings:- a pure compound- frequently substance is considered a synonym of materialSo a solution contain a dissolved substance (solute) but colloquially also a solution can be called substance.
No, its a compound, which is a pure substance. It is just that molecule and no other molecule, so it is not a mixture.
None of these. Water is a compound, which is a pure substance.
it is not pure neither is it a REAL solution...it is an aerosol
Mixture
No, a salt solution is not a pure substance. It is a mixture of salt (solute) dissolved in water (solvent). A pure substance contains only one type of element or compound with a fixed chemical composition.
A solution.
Refined substance can be a pure substance depending on the type of sugar used. If the refined sugar is white, then it is a pure substance. If it the refined sugar is brown, then it is not a pure substance.
is aluminum can a substance or solution or mechanical
is aluminum can a substance or solution or mechanical
a pure substance. either a compound or an element. Also, a solution, which is a homogeneous mixture, not a pure substance.
No. Pure water is a compound, which is a pure substance. A saltwater solution is a mixture of water and salt, and is not a pure substance.
No. Iron is a pure substance.
Copper wire is a pure substance, as it is made entirely of copper atoms.
Carbonic acid is not considered a pure substance because it is a weak acid that can dissociate into carbon dioxide and water. As such, it is a solution rather than a pure substance.