It is 4 School
2006-09-22 12:19:52 · 8 answers · asked by Raine 1 in Science & Mathematics ➔ Earth Sciences & Geology
they contain Iron, the iron oxidizes (rusts) forming Fe3 or Iron oxide
2006-09-22 21:05:32 · answer #1 · answered by Anonymous · 1⤊ 0⤋
If the rocks contain iron and are oxidized they will turn red with rust.
2006-09-22 19:27:36 · answer #2 · answered by Anonymous · 1⤊ 0⤋
Oxygen reacts with the iron in the rock causing rust/ the red color.
2006-09-23 00:59:37 · answer #3 · answered by wotana02 3 · 0⤊ 0⤋
Rocks are usually red because of the iron content it contains.
2006-09-22 19:27:23 · answer #4 · answered by manicschematic 2 · 1⤊ 0⤋
Usually they have iron in them (which rusts and turns the rock red).
2006-09-22 19:27:32 · answer #5 · answered by adphllps 5 · 2⤊ 0⤋
Use red paint... iron will try certain rocks red.
2006-09-22 19:27:12 · answer #6 · answered by armyperson22yrs 2 · 0⤊ 0⤋
If they're rich in iron, then oxidation will turn them red.
2006-09-22 19:27:13 · answer #7 · answered by Wicked Mickey 4 · 2⤊ 0⤋
lots of iron
2006-09-23 10:06:22 · answer #8 · answered by Anonymous · 0⤊ 0⤋