Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because It gets oxidised above 500°C None of these Its activity declines rapidly, if heated to above 520°C It decomposes ammonia It gets oxidised above 500°C None of these Its activity declines rapidly, if heated to above 520°C It decomposes ammonia ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Sodium tri poly phosphate (STPP) is chemically represented as Na₃P4O₆ Na₅P3O₁₀ Na₂PO₄ Na₄P3O₈ Na₃P4O₆ Na₅P3O₁₀ Na₂PO₄ Na₄P3O₈ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology A fertiliser contains 82% N₂. It could be Urea Liquid NH₃ None of these Ammonium nitrate Urea Liquid NH₃ None of these Ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Lower temperature and large excess of ammonia in urea melt Increases biuret formation Decreases biuret formation Is undersirable Does not effect biuret formation Increases biuret formation Decreases biuret formation Is undersirable Does not effect biuret formation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Effectiveness of a fertiliser is independent of the Type of crop PH of soil Nature of soil None of these Type of crop PH of soil Nature of soil None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In the manufacture of urea, the intermediate chemical formed is Ammonium carbamate None of these Ammonium carbonate Biuret Ammonium carbamate None of these Ammonium carbonate Biuret ANSWER DOWNLOAD EXAMIANS APP