Asked by jessica

which is an example of physical change
1.water decomposing into hydrogen and oxygen
2.potassium and bromine combining to form potassium bromide
3.solid ice melting into liquid water
4.none of the above

i think its 3.
Answered by Kayla
A physical change in a substance doesn't change what the substance is.

I also think it is 3.

It couldn't be 1 or 2.
Answered by DrBob222
3 it is.