What are the uses of Phosphorus?

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The main uses of Phosphorus are:

1. Red phosphorus is chiefly used on making matches.

2. White phosphorus and zinc phosphate are mainly used as a poison for rats.

3. Phosphorus is used in making phosphor bronze, which is an alloy of copper and tin containing phosphorus.

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4. Phosphorus is used for the preparation of phosphorous compounds like P₂O_5, PCl_3, PCl₅and phosphoric acid. Phosphoric acid, in turn, is used in the manufacture phosphatic fertilizers such as triple superphate.

5. It is used in making incendiary (fire causing) bombs, tracer bullets and for producing smoke screen.