Which of the following is used in gunpowder?
A) Potassium bromide B) Potassium nitrate C) Monopotassium tartarate D) Potassium sulphate
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d potassium sulphate is used in gunpowders
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(a) Potassium bromide is used in photography as a restrainer in black and white developer formulas. Gun powder, also called black powder, is a mixture of sulphur, charcoal, and potassium nitrate. Gun powder can be made by just using potassium nitrate and charcoal (or alternatively without charcoal), but without the sulphur (or coal), the powder is not as strong. Potassium sulfate is primarily used as a fertilizer. Mono potassium tartrate is used in bakery by combination with baking soda it results in to evolution of CO2 which is used for baking cakes.
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