Calcium ammonium nitrate (CAN) is A complex fertiliser A straight fertiliser A mixed fertiliser Not a fertiliser ; it is an explosive TRUE ANSWER : ? YOUR ANSWER : ?
An increase in the NH₃/CO₂ ratio in urea manufacture results in Decreased degree of conversion of NH₃ to urea Decreased specific volume of molten mass Decreased yield of urea Increased degree of conversion of CO₂ to urea TRUE ANSWER : ? YOUR ANSWER : ?
5-10-5 fertilisers mean that they contain 5 to 10% filler & carrier of soil conditioners 5, 10, 5% respectively of N₂, P₂O₅ and K₂O None of these Only 5 to 10% active fertiliser constituents TRUE ANSWER : ? YOUR ANSWER : ?
A potassic fertiliser contains 50% K₂O. It could be Potassium sulphate Potassium chloride A mixture of NaCl+ KCl None of these TRUE ANSWER : ? YOUR ANSWER : ?
Ammonium nitrate is Not hygroscopic Having about 40% N₂ Not prone to explosive thermal decomposition Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer TRUE ANSWER : ? YOUR ANSWER : ?
Triple superphosphate is made by reacting phosphate rock with __________ acid. Sulphuric Nitric Phosphoric Hydrochloric TRUE ANSWER : ? YOUR ANSWER : ?
Effectiveness of a fertiliser is independent of the Nature of soil PH of soil None of these Type of crop TRUE ANSWER : ? YOUR ANSWER : ?
HPO₃ is the chemical formula of __________ phosphoric acid. None of these Pyro Ortho Meta TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following does not come under the category of 'micro-nutrient' for plant growth? Iron Chlorine Boron Carbon TRUE ANSWER : ? YOUR ANSWER : ?
Nitro-phosphate (manufactured at Trom-bay) is a __________ fertiliser. Mixed Highly explosive Highly hygroscopic Complex TRUE ANSWER : ? YOUR ANSWER : ?