A salt solution is a mixture because if you placed the mixture in a pot and boiled it, all of the would eventually evaporate and you are going to be left with the salt left at the bottom of the pot. A mixture is a substance that can be separated without any chemical means.
Mixture
such mixture that have the same uniform composition throughout are called homogeneous mixture
cake
Brass is a mixture or a solution; these two terms are not mutually exclusive.
Soap is typically a mixture of different compounds such as fatty acids, oils, and alkalis. Therefore, it is considered a mixture rather than a pure substance.
Mixture
such mixture that have the same uniform composition throughout are called homogeneous mixture
A solution.
Pure sugar is a compound, which is a pure substance. If you dissolve sugar in water, you will have a homogeneous mixture, which is a solution.
is aluminum can a substance or solution or mechanical
is aluminum can a substance or solution or mechanical
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.
Water is a physical object and is therefore a substance. Pure water, however, is not a solution or a mixture. Water with dissolved solutes would be a solution and mixture.
cake
a pure substance. either a compound or an element. Also, a solution, which is a homogeneous mixture, not a pure substance.
mechanical mixture
No. Wood is a mixture.