Copper Sulphate (check your spelling) is a chemical compound. It can only be separated by chemical change, not by physical change. Therefore, it is not a mixture.
copper is a substance
Copper metal is an element and thus a pure substance.
Brass is considered a mixture because it is composed of two or more elements (copper and zinc) that are physically combined but can be separated through physical means.
Copper is a chemical compound not a mixture.
Nothing, they simply form a mixture in molten state. A mixture of 10% Aluminium in copper is Aluminium bronze.
Copper wire is homogeneous.
Brass is a mixture of copper and zinc. It is not an element on its own.
Copper is a element. It is neither compound nor mixture.
copper is a substance
It should be a "pure" substance, but its really an alloy.
Copper is an element, not a molecule or a mixture. It is a pure substance made up of only copper atoms.
Copper metal is an element and thus a pure substance.
Neither. Copper is not a mixture at all. It is a pure element.
Neither, copper is an element.
Neither, copper is an element.
No, a copper sulfate solution is a homogeneous mixture where copper sulfate is dissolved in water.
No, pure copper sulfate is not a mixture. It is a compound composed of copper, sulfur, and oxygen atoms in a fixed ratio.