"Rock Phosphate" has composition of:
Correct answer: C. Ca3(PO4)2
- A. CaH3PO4
- B. Ca(H2PO4)2
- C. Ca3(PO4)2
- D. CaHPO4
Explanation
Ca3(PO4)2, is correct because it represents the chemical formula for rock phosphate, which is a naturally occurring mineral consisting mainly of calcium phosphate.
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Industrial chemistry applies chemical reactions and material properties to the manufacture of adhesives, dyes and polymers. Coverage includes addition and condensation polymerisation, thermoplastics and thermosetting polymers, the structural basis of colour in dyes, and how adhesive composition enables bonding between surfaces.
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