

Fertiliser Technology - Engineering
Q1: Main constituent of phosphate rock isA ammonium phosphate
B flour apatite
C calcium fluoride
D calcium phosphate
ANS:B - flour apatite It seems there might be a typo in your query. If you meant "fluorapatite" instead of "flour apatite," I can certainly explain fluorapatite: Fluorapatite is a mineral form of calcium phosphate with the chemical formula Ca5(PO4)3F. It is one of the most common minerals in the phosphate rock used for the production of phosphorus-based fertilizers. Here's an explanation of fluorapatite:
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