Question

Consider the following statements.

I. Among the fertilizers used, urea contains maximum percentage of nitrogen.

II. The mixture of calcium sulphate is known as super phosphate of lime.

III. Potassium magnesium sulphate is called the muriate of potash.

Which of the statements given above are correct?

(a) I and II

(b) II and III

(c) I and III

(d) I, II and III

Answer 1

(a) I and II

The superphosphate of lime is Ca(H₂PO₄)₂, H₂O and CaSO₄. Muriate of potash or potassium chloride contain 60% potassium oxide.