Which type of change results in a new substance being produced?

1) chemical 2) mass 3) physical 4) change of state

Chemical

Explanation:

A chemical change is also known as chemical reaction. It is a change that results to the formation of a new substance.

1

Explanation:

chemical because first of all its simply not possible to create mass. second of all a physical; change is not done by creating a new substance, you can shred paper thats physical, you burn paper, thats chemical. and finally a change of state is the three stages of matter, solid liquid and gas. none of these are changes that will always happen when there is a new substance is made.