1. 5-10-5 fertilisers mean that they contain
2. Maximum nitrogen percentage is in
3. Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in __________ of the catalyst.
4. Low grade phosphate rock can be used in electrical furnace, because
5. Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the
6. Catalyst used in the oxidation of ammonia is
7. An increase in the NH3/CO2 ratio in urea manufacture results in
8. Heating of coke, sand & phosphate rock in an electric furnace is done for the manufacture of
9. Steam reforming of naphtha produces ammonia synthesis gas. This is a/an __________ process.
10. Monte catini process is used for the manufacture of
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