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Manganese dioxide (MnO2) is a black powder.
Black powder absorbs moisture from the atmosphere
Black powder and smokeless powder differ significantly in power. Smokeless powder is more powerful, providing higher velocities and energy compared to black powder. Smokeless powder's cleaner burn and increased efficiency make it the standard propellant for modern firearms, offering better performance and reduced fouling.
does not matter once the Powder has starch it turns black and the powder can be any color
Black powder, or a black powder substitute such as Pyrodex. Smokeless powder (modern gun powder) should not be used in a traditional muzzle loading firearm.
no
A few hundred to a few thousand depending on EXACT configuration, condition, box, papers, accessories.
Either FFFg black powder or Pyrodex P may be used.
Black powder, in fact is the term used in fireworks. Otherwise, it may be referred to as gunpowder although black powder has now become a more acceptable term because it is no longer used in guns(except for the antique ones). Guns now utilize smokeless powders.
rM ROD FOR BLACK POWDER WEAPON
It can be turned into a gas, but it is a black rock in natural forn. It could also become a brown powder used for gunpowder.