Match Column I with Column II with reference to Haber's process:
Column IColumn IIA.Medicinep.AmmoniumNitrateB.LaboratoryReagentsq.AmmoniumSulphateC.Fertilizersr.AmmoniumSolutionD.Explosives.AmmoniumCarbonate
A ⟶ s; B ⟶ r; C ⟶ q; D ⟶ p
ColumnIColumnIIMedicineAmmoniumCarbonateLaboratoryReagentAmmoniaSolutionFertilizersAmmoniumsulphateExplosiveAmmoniumNitrate
From the table, it is clear
A ⟶ s; B ⟶ r; C ⟶ q; D ⟶ p