What is the product formed when phosphate rock, coke, and sand are heated together in an electric furnace?

Fertilizer Technology MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Fertilizer Technologychemical-engineering › fertilizer-technology
Published
11 Mar 2019
Last updated
28 May 2026

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Explanation

When phosphate rock is heated with coke and sand in an electric furnace, elemental phosphorus is produced. Phosphoric acid and ammonium phosphate are derived through different chemical processes, while superphosphate is a fertilizer made by treating phosphate rock with sulfuric acid.

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