Question

properties of combination reaction ​

Answer 1

Changes in color, texture and luster don't always mean that a chemical reaction has taken place, nor does the presence of bubbles. But because all are common characteristics of chemical reactions, they can serve as clues that a molecular change may have occurred.

Answer 2

Properties of combination reaction are

1. two substance combine and form new substance
2. mew substance are always new in properties
3. they are mainly exothermic reaction.