Question

Hard water, while not harmful to consume, can cause problems. It can cause scale buildup in plumbing systems and it can leave soap scum in showers and tubs.

Hard water has a high concentration of divalent metal cations, primarily magnesium and calcium ions, that react with the soluble anions in soap, forming an insoluble soap scum. What type of reaction is this?

Group of answer choices

an acid–base reaction.

a redox reaction.

single displacement reaction.

a precipitation reaction.

a bathochromic shift.

Answer 1

Please find attached the answer in the image file