Traditional black gunpowder consists of a mixture of three main components: Potassium nitrate (KNO₃), Charcoal (primarily carbon), and Sulphur (S).
Which one of the following materials is not present in gun powder?
Asked in UPSC CISF AC EXE 2017 · Topic: The Explosive Substances (Secondary explosives: TNT, RDX, PETN, HMX – synthesis and characteristics)
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