Respuesta :
Answer:
is
Explanation:
when theres a chemical reaction its accured by mixing chemicals that are combined
Answer:
is not
Explanation:
a mixture is when two elements bond together but do not physically combine
when elements physically combine it is a compound such as H2O
which is a compound of 2 hydrogen and 1 oxygen while a mixture would be Air because air is made up of many elements but they are not physically connected with one another.