Question

a physical change, mass of the original substances do not change. While in a chemical change, mass of the original substances change." Explain this with an example.

2 points

Your answer


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Answer 1

Answer:

please BRAINLIEST Mark Kardo

Explanation:

The same amount of matter exists before and after the change—none is created or destroyed. This concept is called the Law of Conservation of Mass. In a physical change, a substance's physical properties may change, but its chemical makeup does not.

Answer 2

Answer:

Physical changes only change the appearance of a substance, not its chemical composition.

Chemical changes cause a substance to change into an entirely substance with a new chemical formula.

Chemical changes are also known as chemical reactions. The “ingredients” of a reaction are called reactants, and the end results are called products.