Which of the following diagram(s) show a pure substance?
A. not listed here
b. A, D, E, F, H and I
c. A, B, C, E, F and H
d. A, B, E, F, G, H and I
![Which of the following diagrams show a pure substance A not listed here b A D E F H and I c A B C E F and H d A B E F G H and I class=](https://us-static.z-dn.net/files/d3b/1d73dd1b3e662bcdb1204854e85e79ab.jpg)