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Questions and Answers
What is the chief application of phosphate minerals?
What is the chief application of phosphate minerals?
- Chief constituents of chemical industry
- Source rock for oilfields
- Constituents of fertilisers (correct)
- Found in sea water as dissolved orthophosphate
What is the major constituent of all vertebrates' skeletons and some invertebrates' hard parts?
What is the major constituent of all vertebrates' skeletons and some invertebrates' hard parts?
- Silica
- Calcium carbonate
- Phosphate minerals (correct)
- Sulfur compounds
Where do phosphate minerals occur?
Where do phosphate minerals occur?
- Metamorphic rocks created under high pressure and temperature
- In oceanic trenches at extreme depths
- Sedimentary rocks ranging from Precambrian to Holocene (correct)
- Igneous rocks formed from volcanic activity
What is the essential constituent of all living matter, both plant and animal?
What is the essential constituent of all living matter, both plant and animal?
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What is the most famous group of sedimentary phosphate minerals?
What is the most famous group of sedimentary phosphate minerals?
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Study Notes
Phosphate Minerals
- The chief application of phosphate minerals is in the production of fertilizers, detergents, and special glasses.
Biological Importance
- Phosphorus, a major constituent of all vertebrates' skeletons and some invertebrates' hard parts, is an essential component of bones and teeth.
- Phosphorus is the essential constituent of all living matter, both plant and animal, playing a crucial role in DNA, RNA, and ATP molecules.
Occurrence
- Phosphate minerals occur in sedimentary, igneous, and metamorphic rocks, with sedimentary deposits being the largest source of phosphate minerals.
Notable Phosphate Minerals
- The apatite group is the most famous group of sedimentary phosphate minerals, comprising fluorapatite, chlorapatite, and hydroxyapatite.
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