MCQ
Among these ores the highest phosphorus content is in:
  • A
    Chlorapatite.
  • Phosphorite.
  • C
    Fluorspar.
  • D
    All have equal content.

Answer

Correct option: B.
Phosphorite.
Phosphorite ore is the ore that has the highest phosphorus content.
Percentage of $P$ in phosphorite
$=\frac{69}{279}\times100=22.22\%$
In flourapatite and chlorapatite the percentage content of phosphorus is $20.32\%$ and $19.62\%$ respectively.

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