A small lump of coke on a watch glass as used in a UK high school.

---

Size: 3624px × 2415px
Location: London UK
Photo credit: © Maurice Savage / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -metallic, carbon, close, coke, detail, education, fossil, fossilized, fuel, glass, high, lump, material, nonmetallic, piece, practicals, school, science, tetravalent, uk, watch