Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the September 7, 2025 by Admin Osmotic pressure of the soil water becomes less than that of the plant sap Soil becomes too alkaline Osmotic pressure of the soil water becomes higher than that of the plant sap Soil becomes too acidic ✅ The correct answer is option C.
CO₂ present in reformed gas (obtained by steam reforming of naphtha) is removed by absorbing in September 7, 2025 by Admin Mono-ethanolamine (MEA) Slaked lime Ammoniacal liquor Methyl-Ethyl Ketone (MEK) ✅ The correct answer is option A.
Which of the following is a natural inorganic fertiliser? September 7, 2025 by Admin Chile salt petre Oilcake Gobar mannure None of these ✅ The correct answer is option A.
Which of the following does not come under the category of ‘secondary nutrient’ for plant growth? September 7, 2025 by Admin Calcium Magnesium Sulphur Oxygen ✅ The correct answer is option D.
NPK fertiliser is a __________ fertiliser. September 7, 2025 by Admin Complex Mixed Nitrogenous Phosphatic ✅ The correct answer is option B.
Urea is a better fertilizer than ammonium sulphate, because September 7, 2025 by Admin It is cheaper Nitrogen content is higher It is not poisonous It is easy to manufacture ✅ The correct answer is option B.
Commercial fertilisers are available mostly in the form of September 7, 2025 by Admin Powder Grannules Lumps Flakes ✅ The correct answer is option B.
Chemical formula of metaphosphoric acid is September 7, 2025 by Admin H₃PO₄ H₄P₂O₇ HPO₃ Same as that of pyrophosphoric acid ✅ The correct answer is option C.
Ammonium phosphate is a __________ fertiliser. September 7, 2025 by Admin Nitrogenous Phosphatic Complex Mixed ✅ The correct answer is option D.
Maximum nitrogen percentage is in September 7, 2025 by Admin Ammonium sulphate Calcium ammonium nitrate Urea Liquid ammonia ✅ The correct answer is option D.