Phosphoric acid is produced in wet process from phosphate rock and September 7, 2025 by Admin Dilute H₂SO₄ Concentrated H₂SO₄ Concentrated NHO₃ Concentrated HCl ✅ The correct answer is option A.
Ammonium sulphate fertiliser is September 7, 2025 by Admin The highest concentration nitrogenous fertiliser The best fertiliser for paddy A basic fertiliser A neutral fertiliser ✅ The correct answer is option B.
Gray King Assay and Swelling Index of a coal is a measure of its September 7, 2025 by Admin Swelling characteristics Abradability Agglutinating properties Resistance to impact breakage ✅ The correct answer is option A.
Red phosphorous is changed into white phosphorous by September 7, 2025 by Admin Heating in presence of light Melting under pressure Vaporisation followed by condensation None of these ✅ The correct answer is option C.
Both white phosphorous as well as red phosphorous September 7, 2025 by Admin Are soluble in CS₂ Burns when heated in air Reacts with hot caustic soda solution to give phosphine All of the above ✅ The correct answer is option B.
Reaction of __________ acid with phosphate rock produces superphosphates. September 7, 2025 by Admin Hydrochloric Sulphuric Nitric Phosphoric ✅ The correct answer is option B.
Monte catini process is a widely used process for the manufacture of September 7, 2025 by Admin Urea Calcium ammonium nitrate Triple superposphate None of these ✅ The correct answer is option A.
Volatile matter content of metallurgical coke may be around __________ percent. September 7, 2025 by Admin 1-Feb Oct-15 22-26 30-33 ✅ The correct answer is option A.
Nitrolime is September 7, 2025 by Admin Calcium nitrate Calcium ammonium nitrate A mixture of nitric acid and lime A mixture of ammonium nitrate and calcium nitrate ✅ The correct answer is option B.
The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is __________ fertiliser. September 7, 2025 by Admin Nitrogenous Phosphatic Potassic None of these ✅ The correct answer is option B.