How to prepare urea.
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Explanation:
Urea is now prepared commercially in vast amounts from liquid ammonia and liquid carbon dioxide. These two materials are combined under high pressures and elevated temperatures to form ammonium carbamate, which then decomposes at much lower pressures to yield urea and water.
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Hy your answer is urea is prepared from liquid ammonia and liquid co2 . its elevated in under high pressure and a temperature to carbsnate , it decomposes at low temperature to form yield urea and water too. raw material are ammonia anhydrous . also tsp is prepared from phosphate rocks and also result in some acids like phosphoric and sulphuric acid.
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