Question

Sodium tri poly phosphate (STPP) is chemically represented as

a.

Na₅P₃O₁₀

b.

Na₄P₃O₈

c.

Na₃P₄O₆

d.

Na₂PO₄

Answer: (a).Na₅P₃O₁₀

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Q. Sodium tri poly phosphate (STPP) is chemically represented as

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