Which of the following are anionic detergents? (a) Sodium salts of sulphonated long chain alcohol (b) Ester of stearic acid and polyethylene glycol (c) Quarternary ammonium salt of amine with acetate ion (d) Sodium salts of sulphonated long chain hydrocarbons
(c) All ammonium salts are decomposed on heating. What other property do ammonium salts have in common?