40 TOP Fertiliser Technology Online Test – Multiple Choice Questions and Answers

1. Main component of bone ash is


2. In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed


3. Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because


4. Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas?


5. The optimum size of the ammonia plant is __________ tons/day


6. Phosphatic fertilisers


7. Catalyst used in steam reforming of naphtha is


8. Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent


9. Heating of orthophosphoric acid to about 900°C, produces


10. Rock phosphate constitutes mainly of


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