Main component of bone ash is Sodium phosphate Calcium phosphate Calcium sulphate Calcium carbonate TRUE ANSWER : ? YOUR ANSWER : ?
Ammonia synthesis gas is produced from natural gas by Partial oxidation Hydrogenation Steam reforming Thermal cracking TRUE ANSWER : ? YOUR ANSWER : ?
Biuret formation in urea is kept at minimum (< 1 %), because it is Corrosive in nature Toxic and harmful to some crops Helpful in decomposition of urea Explosive in nature TRUE ANSWER : ? YOUR ANSWER : ?
Nitrogenous fertiliser is required None of these During the early stage of growth to promote development of stem and leaves For accelerating fruit formation in later stage of growth To lessen the effect of excessive potash application TRUE ANSWER : ? YOUR ANSWER : ?
Which is the best fertiliser for paddy? Potassium nitrate Ammonium sulphate Superphosphate Nitro-phosphate TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis? Steam reforming of naphtha Electrolysis of water H? separation from coke oven gas Cracking of natural gas TRUE ANSWER : ? YOUR ANSWER : ?
Ammonium sulphate fertiliser is A basic fertiliser The best fertiliser for paddy A neutral fertiliser The highest concentration nitrogenous fertiliser TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following solvents is used for the extraction of H₃PO₄ from CaCl₂ solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching? Butyl alcohol Hexane Iso propyl alcohol Toluene TRUE ANSWER : ? YOUR ANSWER : ?
Which is a catalyst promoter used in catalytic ammonia synthesis reaction? K₂O Cr₂O₃ Al₂O₃ MnO TRUE ANSWER : ? YOUR ANSWER : ?
(CH₃ C₆ H₄)₃ PO₄ is the chemical formula of Flourapatite Superphosphate Triple superphosphate Tricresyl phosphate TRUE ANSWER : ? YOUR ANSWER : ?