Q: 91 (CDS-I/2009)


Assertion (A): Soaps do not form lather with water containing salts of calcium and magnesium.
Reason (R): Calcium and magnesium salts of long-chain fatty acids are insoluble in water.
question_subject: 
Science
question_year: 
2009
question_exam: 
CDS-I
stats: 
0,1112,264,1112,104,80,80