Water molecules are each made of two hydrogen atoms and one oxygen atom. under the right conditions, however,?

[ryscford]

water molecules are each made of two hydrogen atoms and one oxygen atom. under the right conditions, however, the atoms can be seperated. this type of change in a substance properties is
A.rare
B,chemical,
C. physical,
D.or never reversible?

[garwyli91]

B. Chemical

[ingel]

water molecules are each made of two hydrogen atoms and one oxygen atom. under the right conditions, however, the atoms can be seperated. this type of change in a substance properties is
A.rare
B,chemical,
C. physical,
D.or never reversible?

B. Chemical

[dickens93]

E. Do your own homework.

[giulio]

if you want to break apart a H2O molecule into H2 and O then u have to separate it chemically
if that is what you ment o-o

[treasigh]

B. Chemical,
REASON:

Chemical Change: A chemical change is the alteration of the nature of a substance, therefore, if H2O is separated, then it changes its nature, water is chemically less reactive than H2 and O2 gas. Therefore it is going under a chemical change.