Tin is a pure substance. It is element #50 on the periodic table.
this is called a mixture, since you are only mixing it "physically".
It can't, a substance can only become more acidic. Mixing acids CAN increase the acidity level in a substance, but it won't always.
Rocks are made of more than 1 substance
Is every substance on earth made of one are more atoms
None of the primary colors can be made by mixing two or more colors. They are red, yellow and blue.
A mixture is a substance made up of two or more pure substances.
A pure substance is a substance that consists of either a single chemical element, or two or more elements chemically bonded in a fixed ratio. In other words a pure substance is either an element or a compound.
Any substance made up of two or more elements chemically combined is a compound.
Mix (a substance) with another substance so that they combine together as a mass. In other words, mixing foods or ingredients together thoroughly.
A substance made of two or more elements that have been chemically joined is called a compound.
By definition, a mixture is two or more substances that are physically combined. In a chemical change, the substance interacts with another substance and undergoes a chemical change. So, no, a mixture is not a chemical change.
Mixing a compound involves combining two or more elements or substances in a fixed ratio to form a new substance with unique properties. Mixing a mixture involves combining two or more substances without a specific ratio, where the components retain their individual properties and can be separated through physical means.