Related Questions

Which of the following fertilisers contains the least percentage of nitrogen?
A Liquid ammonia
B Urea
C Ammonium phosphate
D Ammonium sulphate
ভর অনুসারে কোন সারে নাইট্রোজেনের শতকরা পরিমাণ বেশি? (Which fertilizer contains the highest percentage of nitrogen by mass?)
A NH4NO3
B (NH4)SO4
C (NH4)2HPO4
D CO(NH2)2
Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has
A High bond dissociation energy
B Smaller atomic radius
C Stable half filled 2p sub level
D High nuclear charge
Which of the following is not a measure component necessarily to be present in fertilisers?
A Nitrogen
B Potassium
C Phosphorous
D Sulphur
Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth?
A Nitrogeneous fertiliser
B Potassic fertiliser
C Phosphatic fertiliser
D None of these
Which one of the following elements is least likely to be found in commercial fertilisers?
A Nitrogen
B Phosphorous
C Potassium
D Silicon
Which of the following fertilisers is used as a cattle feed?
A Urea
B Calcium ammonium nitrate
C Superphosphate
D Ammonium sulphate
Which of the following fertilisers is produced in the by-products recovery (from coke oven gas) plant attached to an integrated steel plant?
A Ammonium sulphate
B Ammonium nitrate
C Ammonium phosphate
D None of these
Commercial fertilisers are available mostly in the form of
A Powder
B Grannules
C Lumps
D Flakes
Bio-fertilisers are cheaper, renewable and pollution free. They improve the __________ of the soil.
A Nutrient supply
B Texture
C Water holding capacity
D All of the above

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