What is the composition of the scum formed from the dissolving sodium stearate in hard water?
Barium stearate.
Calcium stearate.
Potassium stearate.
Magnesium hydroxide.
Hard water contains salt of Ca and Mg. When reacted with stearate soap it forms calcium and magnesium stearate as scum instead of forming lather.
Study 40% syllabus and score up to 100% marks in JEE