Reaction of orthophosphoric acid with phosphate rock produces Superphosphate Metaphosphoric acid Triple superphosphate Monoammonium phosphate TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth? Nitrogeneous fertiliser Phosphatic fertiliser None of these Potassic fertiliser TRUE ANSWER : ? YOUR ANSWER : ?
CO₂ present in reformed gas (obtained by steam reforming of naphtha) is removed by absorbing in Slaked lime Ammoniacal liquor Mono-ethanolamine (MEA) Methyl-Ethyl Ketone (MEK) TRUE ANSWER : ? YOUR ANSWER : ?
Reaction of dilute sulphuric acid with phosphate rock produces Phosphoric acid Gypsum Superphosphate Triple superphosphate TRUE ANSWER : ? YOUR ANSWER : ?
Triple superphosphate which contains about 46% P₂O₅ is produced by the reaction of phosphate rock with ortho phosphoric acid of____percent concentration. 75-80 52-54 > 98 25-28 TRUE ANSWER : ? YOUR ANSWER : ?
Urea is formed only At very low pressure (vacuum) In liquid phase In vapour phase At very high temperature TRUE ANSWER : ? YOUR ANSWER : ?
Optimum reaction temperature in steam reforming of naphtha is __________ °C. 300 - 450 700 - 1000 100-200 1500-1700 TRUE ANSWER : ? YOUR ANSWER : ?
Heating of orthophosphoric acid to 250°C produces No change in it Pyrophosphoric acid None of these Metaphosphoric acid TRUE ANSWER : ? YOUR ANSWER : ?
Reaction of anhydrous liquid ammonia with orthophosphoric acid produces Ammonium phosphate None of these Superphosphate Triple superphosphate TRUE ANSWER : ? YOUR ANSWER : ?