ocr: Types of explosives Gunpowder is the oldest known explosive. It is a mixture of charcoal, sulfur, and a compound called saltpeter. When these three ingredients are mixed in the right proportions and lit, they burn very quickly. TNT and dynamite are other well-known explosives. Unlike gunpowder, they explode even when no air is present. In order to create a chemical reaction 1n them, a shaking force needs to be applied. Normally, this comes when a small piece of another explosive, calleda detonator, 1S set on fire.
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