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

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


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


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


4. Phosphatic fertilisers


5. Rock phosphate constitutes mainly of


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


7. Main component of bone ash is


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


9. Catalyst used in steam reforming of naphtha is


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


Question 1 of 10

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