Carbon

Carbon was added because MCE wanted more than one use for sulfuric acid. Combining sulfuric acid and sugar, you can get carbon, which is true in real life. The image was a few gunpowders, tinted black.

Trivia

 * MCE added it because he wanted more than one use for sulfuric acid.
 * It is based on real life process, in a beaker with sugar and sulfuric acid is put on it, you will actually get carbon.