Question
Aauced?
5. List the substances tound used in fireworks and th
reasons they are included.
the
Answer
Substances commonly used in fireworks include:
1. Gunpowder (a mixture of charcoal, sulfur, and potassium nitrate) - provides the explosive force
2. Metal salts (such as strontium, copper, and sodium) - produce the colors
3. Aluminum powder - enhances the brightness of the colors
4. Carbon - produces a bright white light
5. Binders (such as dextrin) - hold the mixture together
The reasons for including these substances are to create the desired visual and auditory effects of the fireworks display.