A.250-450?C in absence of air
B.100-150?C in absence of air
C.1400-1450?C in absence of air
D.800-1000?C in absence of air
Related Mcqs:
- The electric furnace is used for the manufacture of elemental phosphorus from a phosphate rock. The fused section of the furnace where the reduction to elemental phosphorus takes place is maintained at
- Which of the following temperatures represents the tempering temperature for C 30 steel?
- Yellow phosphorus is transported under
- Lower hunter implies several things, which of the following is not covered by that?
- In above problem, what will be the horse power required to drive the pump?
- In case of copper, the pouring temperature is around
- Which of the following properties of white phosphorus are common to red phosphorus?
- Red phosphorus may be changed to white phosphorus by
- For grey cast iron the pouring temperature is
- The operating temperature and pressure in urea autoclave are
