The role of phosphate in detergent powder is to:

Options

A. control `pH` level to the detergent water mixture
B. remove `Ca^(2+)` and `Mg^(2+)` inon from the water that causes the hardness of water
C. provide whiteness to the fabrics
D. from solid detergent as phosphate-less detergent are liquid in nature

Answer

B

Explanation

The role of phosphate in detegent powder is to remove `Ca^(2+)` and `Mg^(2+)` ions from the water that cause the hardness of water.