Sodium tri poly phosphate (STPP) is chemically represented as
A
Na<sub>5</sub>P<sub>3</sub>O<sub>10</sub>
B
Na<sub>4</sub>P<sub>3</sub>O<sub>8</sub>
C
Na<sub>3</sub>P<sub>4</sub>O<sub>6</sub>
D
Na<sub>2</sub>PO<sub>4</sub>
Correct Answer: Na<sub>5</sub>P<sub>3</sub>O<sub>10</sub>
