Fertilizer Industry Processes
Chemistry ⇒ Industrial Chemistry
Fertilizer Industry Processes starts at 11 and continues till grade 12.
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See sample questions for grade 12
Calculate the mass of nitrogen in 100 kg of urea (CO(NH2)2). (Atomic masses: C=12, O=16, N=14, H=1)
Calculate the percentage of phosphorus (as P2O5) in a fertilizer sample containing 20 g of P2O5 in 100 g of fertilizer.
Describe the environmental impact of excessive fertilizer use.
Describe the main steps involved in the Haber process for ammonia synthesis.
Describe the process of granulation in fertilizer manufacturing.
Explain the difference between straight and complex fertilizers.
Explain the role of ammonia in the production of NPK fertilizers.
Explain why blending is important in the production of compound fertilizers.
Explain why high pressure is used in the Haber process.
Explain why temperature in the Haber process is a compromise between yield and rate.
Name the process used for the industrial production of phosphoric acid.
Name the process used to recover sulfur from hydrogen sulfide in fertilizer plants.
