Two gas based fertiliser plants are located in India are_________________?
(A) Maharashtra and Gujarat
(B) Maharashtra and Orissa
(C) Gujarat and Madhya Pradesh
(D) Jharkhand and Chhattisgarh
Yield of elemental phosphorous from rock phosphate is about _____________ percent?
(A) 1-2
(B) 15-25
(C) 40-45
(D) 60-65
P2O5 content in triple superphosphate is about ______________ percent?
(A) 42-50
(B) 15-20
(C) 85-90
(D) 70-75
_____________ is not a fertiliser?
(A) Calcium ammonium nitrate
(B) Ferrous sulphate
(C) Liquid ammonia
(D) Ammonium sulphate
Urea is represented as______________________?
(A) NH2.CO.NH2
(B) NH3CO.CH3
(C) NH.CO2.NH
(D) NH3.CO2.NH3
Reaction of ortho-phosphoric acid with soda ash produces______________?
(A) Sodium Tributyl phosphate (STPP)
(B) Tricresyl phosphate
(C) Tributyl phosphate
(D) Nitrophosphate
Phosphatic fertilisers_________________?
(A) Are useful during early stage of the plant growth
(B) Accelerate fruit formation in later stages of growth
(C) Lessen the effect of excessive nitrogen application
(D) None of these
Which is the best fertiliser for paddy ?
(A) Ammonium sulphate
(B) Nitro-phosphate
(C) Superphosphate
(D) Potassium nitrate
Action of phosphoric acid on rock phosphate produces_________________?
(A) Superphosphate
(B) Triple superphosphate
(C) Nitrophosphate
(D) Diammonium phosphate
Optimum reaction temperature in steam reforming of naphtha is ______________ °C?
(A) 700 – 1000
(B) 300 – 450
(C) 1500-1700
(D) 100-200