Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because Its activity declines rapidly, if heated to above 520°C It decomposes ammonia None of these It gets oxidised above 500°C Its activity declines rapidly, if heated to above 520°C It decomposes ammonia None of these It gets oxidised above 500°C ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology A nitrogenous fertiliser contains 20% N₂. It could be Ammonium nitrate Calcium ammonium nitrate (CAN) Ammonium chloride Urea Ammonium nitrate Calcium ammonium nitrate (CAN) Ammonium chloride Urea ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is not a measure component necessarily to be present in fertilisers? Potassium Sulphur Phosphorous Nitrogen Potassium Sulphur Phosphorous Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Leaching of phosphate rock by strong __________ acid produces phosphoric acid. Sulphuric Either A or B Neither A nor B Hydrochloric Sulphuric Either A or B Neither A nor B Hydrochloric ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Red phosphorous is changed into white phosphorous by Melting under pressure Heating in presence of light None of these Vaporisation followed by condensation Melting under pressure Heating in presence of light None of these Vaporisation followed by condensation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Potassic fertilisers Stimulate early growth and accelerate seeding Help in development of starches of potatoes and grain Are useful during early stage of the plant growth None of these Stimulate early growth and accelerate seeding Help in development of starches of potatoes and grain Are useful during early stage of the plant growth None of these ANSWER DOWNLOAD EXAMIANS APP
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