Reaction of orthophosphoric acid with phosphate rock produces Metaphosphoric acid Superphosphate Monoammonium phosphate Triple superphosphate TRUE ANSWER : ? YOUR ANSWER : ?
A fertiliser plant is classified as a gas based fertiliser plant, when it uses __________ gas as a source of hydrogen for the manufacture of ammonia. Coke oven Natural Producer Coal TRUE ANSWER : ? YOUR ANSWER : ?
Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium Carbonate Bicarbonate Silicate Phosphate TRUE ANSWER : ? YOUR ANSWER : ?
Which nutrient in fertiliser makes the plant stems stronger and increases branching? Phosphorous Nitrogen Potassium Calcium TRUE ANSWER : ? YOUR ANSWER : ?
Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by Cryogenic operations (low temperature cooling) None of these Adsorption on palladium Absorption (using ethanolamine or pyragalloll solution) TRUE ANSWER : ? YOUR ANSWER : ?
Rock phosphate used for the production of phosphatic fertiliser is mined at Kiriburu (Bihar) Bailladella (M.P.) Amjhor (Jharkhand) Talchar (Orissa) TRUE ANSWER : ? YOUR ANSWER : ?
Reaction of dilute sulphuric acid with phosphate rock produces Triple superphosphate Gypsum Superphosphate Phosphoric acid TRUE ANSWER : ? YOUR ANSWER : ?
Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction. Autocatalytic Endothermic Exothermic Catalytic TRUE ANSWER : ? YOUR ANSWER : ?
Conversion achieved in HNO₃ synthesis with the use of platinum catalyst is about 95-97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by None of these Increasing the temperature Decreasing the pressure Decreasing the temperature TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following does not come under the category of 'secondary nutrient' for plant growth? Magnesium Sulphur Calcium Oxygen TRUE ANSWER : ? YOUR ANSWER : ?