(01.06 LC) Which statement is true about the substances present in a mixture?

Group of answer choices

They are always in the same state of matter.

They always consist of the same element.

They can be separated by physical methods.

They can only be separated by chemical methods.

2

Explanation:

2h2o2--> 2h2o + o2

this reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

add 2 molecules of hydrogen peroxide and 2 molecules of water. since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

this may not be entirely correct but let me know.

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a