Fertiliser Technology Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. 50-80 800-900 1000-1200 250-400 50-80 800-900 1000-1200 250-400 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 Has a pungent smell Is in short supply Vaporises at normal temperature Is toxic and highly corrosive Has a pungent smell Is in short supply Vaporises at normal temperature Is toxic and highly corrosive ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalytic ammonia synthesis reaction as in Haber's process is None of these Endothermic Exothermic Irreversible None of these Endothermic Exothermic Irreversible ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which nutrient in fertiliser makes the plant stems stronger and increases branching? Nitrogen Potassium Calcium Phosphorous Nitrogen Potassium Calcium Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Dehydration of ammonium carbamate to yield urea is a/an __________ reaction. Autocatalytic Endothermic Exothermic Catalytic Autocatalytic Endothermic Exothermic Catalytic ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In ammonia synthesis (N₂ + 3H₂ = 2NH₃), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at Very high temperature High pressure Low pressure Atmospheric pressure; as the pressure has no effect on conversion Very high temperature High pressure Low pressure Atmospheric pressure; as the pressure has no effect on conversion ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS