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Class 12Chemistryp-Block Elements (Class 12)Nitrogen family
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In the modern process,phosphorus is manufactured by:

  • A
    Heating a mixture of phosphorite mineral with sand and coke in an electric furnace
  • B
    Heating calcium phosphate with coke
  • C
    Heating bone ash with coke
  • D
    Heating the phosphate mineral with sand
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Class 12 Questions

Class 12

Chemistry Questions

Chapter

p-Block Elements (Class 12)

Subtopic

Nitrogen family

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