What is the process called when molten urea is cooled by air inside the tower?

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

PPSCFPSCNTSPakistan govt jobs
Subject
Common Chemical Industrieschemistry-mcqs › common-chemical-industries
Published
18 Mar 2019
Last updated
28 May 2026

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Explanation

The correct answer is prilling, which refers to the technique of cooling molten urea by air to form small solid pellets. Evaporation involves liquid turning into vapor, condensation is vapor turning into liquid, and crystallization is the formation of crystals from a solution or melt.

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