Fusion zone in the electric furnace used for reduction of phosphate rock to elem

Question

Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C.

Options:

A . 250-300

B . 500-750

C . 950-1050

D . 1400-1450

Answer: Option D

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Question 8. Rock phosphate used for the production of phosphatic fertiliser is mined at....

Question 9. __________ is the most suitable fertiliser for paddy.....

Question 10. Ammonium phosphate is a __________ fertiliser.....

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