MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Sulphur and oxygen. Image 1 of 2. Sulphur is a yellow powder, oxygen (in the jar) is a colourless gas. When combined, the sulphur burns in oxygen to form the toxic gas sulphur dioxide. See image A500/609 for this reaction.
Model release not required. Property release not required.