1. Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because
2. Main component of bone ash is
3. Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas?
4. Rock phosphate constitutes mainly of
5. Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent
6. In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed
7. The optimum size of the ammonia plant is __________ tons/day
8. Phosphatic fertilisers
9. Catalyst used in steam reforming of naphtha is
10. Heating of orthophosphoric acid to about 900°C, produces
Question 1 of 10