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Match List-I with List-II and select the correct answer from the codes given below:List-IList-IIA. Potassium bromide1. FertiliserB. Potassium nitrate2. PhotographyC. Potassium sulphate3. BakeryD. Monopotassium tartarate4. GunpowderCodes: |
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Answer» The correct option is: (A) Explanation: Potassium bromide is a salt used to make photographic papers and plates and for process engraving. Gunpowder, also known since the late 19th century as black powder, is a mixture of sulphur, charcoal, and potassium nitrate (saltpeter)—with the sulphur and charcoal acting as fuels, while the saltpeter works as an oxidizer The principal use of potassium sulphate is as a fertilizer. K2SO4 does not contain chloride, which can be harmful to some crops. Potassium sulphate is preferred for these crops, which include tobacco and some fruits and vegetables. A white, acid, crystalline solid or powder, KHC4H4O6, used in baking powder, in the tinning of metals, and as a component of laxatives. Also called cream of tartar. |
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