Egyptian cobra Egyptian cobra The Egyptian cobra ("Naja haje") is a species of venomous snake in the family Elapidae. "Naja haje" is one of the largest cobra species native to Africa, second to the forest cobra ("Naja melanoleuca"). "Naja haje" was first described by Swedish zoologist Carl Linnaeus in 1758. The generic name "naja" is a Latinisation of the Sanskrit word ' () meaning "cobra". The specific epithet "haje" is derived from the Arabic word hayya" (حية"') which literally means "snake". The Egyptian cobra is one of the largest cobras of the African continent. The head is large and depressed and slightly
Black snake (firework) this firework produces a more impressive snake, but its operation depends upon mercury (II) thiocyanate, which is no longer commonly used because of its toxicity. Black snake (firework) Black snake (or Sugar snake) and Pharaoh's serpent are two similar types of firework. After being lit, both fireworks begin to smoke and spew out ash resembling a snake via an intumescent reaction. They stay on the ground and do not emit sparks, flares, any form of projectiles, or any sound, but may release smoke. Sodium bicarbonate which produces carbon dioxide gas, and sugar forming carbon containing ash, are common chemicals used