Question

what os basic material use in fireworks​

Answer 1

Answer:

gunpowder is the basic material

Answer 2

Answer:

A small compartment of the base of the shell contains black powder to propel the firework into the sky from a mortar made of aluminium, iron, plastic or heavy cardboard. A larger compartment contains chunks of a mixture of chemicals that produce light and color when heated. These chunks are known as stars.