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made
Gunpowder or black powder is of great historical importance in chemistry. Although it can explode, its principal use is as a propellant.Gunpowder was invented by Chinese alchemists in the 9th century -
guns
When the ingredients were carefully ground together, the end result was a powder that was called 'serpentine.' The ingredients tended to require remixing prior to use, so making gunpowder was very dangerous. People who made gunpowder would sometimes add water, wine, or another liquid to reduce this hazard, since a single spark could result in a smoky fire. Once the serpentine was mixed with a liquid, it could be pushed through a screen to make small pellets, which were then allowed to dry -
surprisg
■Gunpowder is made from three ingredients that you can easily purchase at a garden centre
■Gunpowder has been used as a flavouring and for curing meat
■Gunpowder-propelled rockets were used in warfare as along ago as the 13th century
■The most important ingredient in gunpowder was traditionally extracted from the urine-laden earth found beneath horses’ stables
■A key ingredient of gunpowder is used to keep cigarettes alight -
europe
However, it is now generally agreed that gunpowder was introduced and not invented in Europe in the 14th cent. Its use revolutionized warfare and ultimately played a large part in the alteration of European patterns of living up until modern times. -
warnig
In the past gunpowder was widely used for blasting and for propelling bullets from guns but it has been largely replaced by more powerful explosives. -
woww
The origin of gunpowder was probably Chinese, for it seems to have been known in China at least as early as the 9th cent. and was there used for making firecrackers.
