MCQ
The role of phosphate in detergent powder is …………..
  • A
    control pH level of the detergent water mixture
  • remove $Ca ^{2+}$ and $Mg ^{2+}$ ions from water that causes hardness of water
  • C
    provide whiteness to the fabric
  • D
    more soluble in soft water

Answer

Correct option: B.
remove $Ca ^{2+}$ and $Mg ^{2+}$ ions from water that causes hardness of water
remove $Ca ^{2+}$ and $Mg ^{2+}$ ions from water that causes hardness of water

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