gun powder medicine matches
Black Powder.
gun powder was udes for fireworks, then weapons
Most likely the matches. Chinese invented gun powder thousands of years ago which they used for fuses and fireworks. The same method is used for matches. But the first fire starters were rocks making sparks and wood being heated with friction.
gunpowder can be used for guns and fireworks
yes it is
Amount of powder used.
No
Yes. It is a important component of "black powder" that is used in dynamite, gun ammunition (gun powder) and fireworks.
Yes, yes they...... were.
carbon
Potassium nitrate is used to make fireworks and black powder (which is used in gun powder).