Hydrogen content of coke oven gas is ______________ percent?
Hydrogen content of coke oven gas is ______________ percent?
A. 4
B. 22
C. 58
D. 84
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Which is the best fertiliser for paddy ?
Which is the best fertiliser for paddy ?A. Ammonium sulphate
B. Nitro-phosphate
C. Superphosphate
D. Potassium nitrateNitrolime is___________________?
Nitrolime is___________________?A. Calcium nitrate
B. Calcium ammonium nitrate
C. A mixture of nitric acid and lime
D. A mixture of ammonium nitrate and calcium nitratePotassic fertilisers do not promote the development of ______________________?
Potassic fertilisers do not promote the development of ______________________?A. Stems & leaves during early stage of plant growth
B. Starches of potatoes & grains
C. Sugar of fruits & vegetables
D. Fibrous materials of plantsThough kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature___________________?
Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature___________________?A. Rate of reaction is very low
B. Very high pressure is required resulting in costly pressure vessel
C. Space velocity of gas is very low resulting in decreased conversion
D. None of theseAmmonium sulphate fertiliser is __________________?
Ammonium sulphate fertiliser is __________________?A. The highest concentration nitrogenous fertiliser
B. The best fertiliser for paddy
C. A basic fertiliser
D. A neutral fertiliserPhosphorus vapour comprises of ___________________?
Phosphorus vapour comprises of ___________________?A. P
B. P2
C. P3
D. P4