MCQ
The most common minerals of phosphorus are
- AHydroxy apatite and kernite
- BColemanite and fluoraptite
- CBorax and fluoraptite
- ✓Hydroxy apatite and fluorapatile
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$PhC{{O}_{2}}H\xrightarrow[2.\,N{{H}_{3}}]{1.\,PC{{l}_{5}}}A\xrightarrow[2.\,{{H}_{2}}/Ni]{1.\,{{P}_{4}}{{O}_{10}}.heat}B.$ The final product $(B)$ is
