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p -Block elements - ll — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistryp -Block elements - ll1 Mark
MCQ
In modern process phosphorus is manufactured by
  • ✓
    Heating a mixture of phosphorite mineral with sand and coke in electric furnace
  • B
    Heating calcium phosphate with coke
  • C
    Heating bone ash with coke
  • D
    Heating the phosphate mineral with sand
✓

Answer

Correct option: A.
Heating a mixture of phosphorite mineral with sand and coke in electric furnace
a
In modern process, phosphorus is manufactured by heating a mixture of phosphorite mineral $\left( Ca _3\left( PO _4\right)_2\right)$ with sand and coke in an electric furnace.

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