Which of the following might best describe the product obtained from soap and hard water (i.e., soap scum)?
A)a
B)b
C)c
D)d
E)none of the above

Question

Which of the following might best describe the product obtained from soap and hard water (i.e., soap scum)? 
A)a 
B)b 
C)c 
D)d 
E)none of the above

Quizplus · Accepted Answer

Soap scum is a solid residue that forms when soap reacts with hard water, which contains minerals like calcium and magnesium. The minerals in hard water react with soap to form insoluble salts that deposit on surfaces, forming a scum. Therefore, option C, a solid residue, best describes the product obtained from soap and hard water.

Which of the Following Might Best Describe the Product Obtained