SSC CGL 6 Sep 2016 Paper

Superphosphateis a common synthetic phosphorus fertilizer. It contains phosphorus and sulphur in a ratio of 1 to 1.22.?It is produced by treatment of “phosphate rock” with acids such as sulphuric acid. Superphosphate is the principal carrier of phosphate, the form of phosphorus usable by plants, and is one of the world’s most important fertilizers.