Question

Give a test that can be used to differentiable chemically $b/n$ butter and cooking oil.

Answer 1

$\to$ Butter is saturated compound and oil is unsaturated compound.

Test:-

Alkaline potassium permanganate [pink colour] $+$ Unsaturated hydrocarbon $\to$ Pink colour disappears

$\to$ If we add oil to a test tube containing alkaline potassium permanganate solution, the pink colour of the solution disappears. Colour of alkaline potassium permanganate Will not disappear in the test tube containing butter.