Oxygen
The boiling point of a substance is an example of a physical property of that substance.
An impure substance contain impurities; for example polluted water is an impure substance.
An example of a substance with high density is lead, which is dense and heavy. Gasoline is an example of a substance with flammability, as it can easily catch fire. Diamond is an example of a substance with hardness, as it is one of the hardest known natural materials. Silver is an example of a substance with luster, as it has a shiny and reflective appearance.
Color is an example of a physical property.
Color is an example of a physical property.
Yes
oil
The dissolved substance in a solution is called solute.
Yes, pure water is an example of a substance that is free from impurities and contaminants.
Yes, water is an example of a substance. A substance is matter that has a uniform and definite composition, like water which is composed of two hydrogen atoms and one oxygen atom.
A substance is the essence of any object, so all wood or anything made from it is a 'substance'.
Sugar is an example of a carbohydrate, which is probably what was meant.