- Potassium bromide (KBr) is used in photography, particularly in photographic emulsions and developers. - Potassium nitrate (KNO3), also known as saltpeter, is a key component of black gunpowder. - Potassium sulphate (K2SO4) is a common fertilizer, providing potassium and sulfur nutrients to plants. - Mono-potassium tartarate, also known as potassium bitartrate or cream of tartar, is used in baking (bakery) as a leavening agent and stabilizer.
Match List I with List II and select the correct answer using the codes given below the lists: List I List II I. Potassium bromide A) Fertiliser II. Potassium nitrate B) Photography III. Potassium sulphate C) Bakery IV. Mono-potassium tartarate D) Gunpowder Codes:
Asked in UPPCS Prelims 1998 · Topic: Inorganic Chemistry (Chemistry of Main Group Elements (s-block and p-block))
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