Consider the following statements :1. Among the fertilizers used, urea contains maximum percentage of N.2. The mixture of calcium sulphate and calcium dihydrogen phosphate is known as superphosphate of lime.3. Potassium magnesium sulphate is called the muriate of potash. Which of the statements given above are correct?

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Consider the following statements :<br />1. Among the fertilizers used, urea contains maximum percentage of N.<br />2. The mixture of calcium sulphate and calcium dihydrogen phosphate is known as superphosphate of lime.<br />3. Potassium magnesium sulphate is called the muriate of potash. Which of the statements given above are correct?