Assertion (A) : Soaps do not form lather (foam) with hard water.\ Reason (R) : Hard water has calci

Question

Assertion (A) : Soaps do not form lather (foam) with hard water.\ Reason (R) : Hard water has calcium and magnesium salts dissolved in it which on reacting with soap form scum.\

Professor PC Thomas Classes · Answer

(a) : In hard water, soap does not form lather as hard water contains calcium and magnesium salts.\