RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA / SCIENCE PHOTO LIBRARY RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA / SCIENCE PHOTO LIBRARY
High speed footage of the reaction between zinc powder and sulphur when heated. The violent reaction produces a yellow-green flame. The yellow residue left at the end is zinc sulphide. This reaction has been used to power small rockets.
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