A substance that contains two or more substances combined chemically is called

A substance which has two or more substances combined chemically is called pure chemical compounds.

Explanation:

When two or more substances combined together a new substance is formed. If this combination occurs chemically it is called as pure chemical compound.

These pure chemical substances are have same properties throughout sample. A pure substance take part in a chemical reaction to shape in expected products.

Water, table salt, Baking soda and table salt are chemically pure substances. Pure water is one of the example for pure chemical substance.

Answer : a mixture i think