Fertiliser Technology Phosphoric acid is produced in wet process from phosphate rock and Concentrated H₂SO₄ Dilute H₂SO₄ Concentrated HCl Concentrated NHO₃ Concentrated H₂SO₄ Dilute H₂SO₄ Concentrated HCl Concentrated NHO₃ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst. Increasing the effectiveness All of these Improving the strength & heat resistance Stabilisation Increasing the effectiveness All of these Improving the strength & heat resistance Stabilisation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it Is in short supply Has a pungent smell Is toxic and highly corrosive Vaporises at normal temperature Is in short supply Has a pungent smell Is toxic and highly corrosive Vaporises at normal temperature ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Raw materials for urea production are CO₂ and N₂ NH₃ and CO CO₂, H₂ and N₂ HNO₃ and CaCO₃ CO₂ and N₂ NH₃ and CO CO₂, H₂ and N₂ HNO₃ and CaCO₃ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology __________ is the undesirable by-product produced in the manufacture of urea. Biuret Ammonium carbamate Carbon dioxide Ammonium carbonate Biuret Ammonium carbamate Carbon dioxide Ammonium carbonate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction. Exothermic Catalytic Endothermic Reversible Exothermic Catalytic Endothermic Reversible ANSWER DOWNLOAD EXAMIANS APP
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