What is meant by a substance

Answer :A substance is defined as a material with certain features and composition. A substance is a pure compound or element.

H2O, or water, is a pure material made up of hydrogen and oxygen. A homogeneous substance is one that is free of impurities. Elements and compounds are the two kinds of pure substances.

Elements are built up of atoms of the same type. Gold and silver are two examples.

Chemical bonds hold different sorts of atoms together to form compounds. Carbon dioxide is a good example.