Chemistry - NPK 5.0 / 5 based on 1 rating ? ChemistryRocks, ores, metals and alloysHaber and industrial processesGCSEAQA Created by: 13cr240Created on: 30-04-18 21:42 Phosphate rock + phosphoric acid Calcium phosphate 1 of 12 Ammonia + nitric acid Ammonium nitrate 2 of 12 Phosphate rock + nitric acid Calcium nitrate + phosphoric acid 3 of 12 Phosphate rock + sulfuric acid Calcium sulfate + Calcium phosphate 4 of 12 What are the raw materials for NPK Ammonia, potassium chloride, Potassium sulfate, phosphate rock 5 of 12 Why do you need to make them salts As it makes them soluble so plants can take them in but also phosphate rock cannot be used directly 6 of 12 List the salts produced by NPK Ammonium nitrate, Calcium nitrate, Calcium sulfate, Calcium phosphate 7 of 12 Ammonia + acid Ammonium salts 8 of 12 what is in NPK Nitrogen, phosphorus and potassium 9 of 12 What does nitrogen do healthy foilage 10 of 12 What does phosphorus do Strong roots 11 of 12 What does potassium do Heathly growth 12 of 12
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