When two or more substances are mixed together without undergoing a chemical reaction, it results in a/an?

The observable signs when a chemical reaction has occurred are either of the following:

*formation of precipitate

*formation of gas

*change in color

Otherwise, it is just a physical change. When these two substances are mixed together, it results in a mixture. If these two substances are soluble with each other, then the mixture is specifically called a solution.

Mixture ...