Question

what chemical is contained in fireworks?​

Answer 1

Answer:

phosphorus oxide

Answer 2

$<marque>$

Traditionally, gunpowder used in fireworks was made of 75 percent potassium nitrate (also called saltpeter) mixed with 15 percent charcoal and 10 percent sulfur; modern fireworks sometimes use other mixtures (such as sulfurless powder with extra potassium nitrate) or other chemicals instead.