A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that the rice water contains: (a) Complex proteins
(b) Simple proteins
(c) Fats
(d) Starch

Which law represents a balanced chemical equation?

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary