Which of the following is not a colloidal system in common life?
Sugar solution
Milk (fat globules dispersed in water), fog (water droplets dispersed in air) and smoke (solid particles dispersed in air) are all common colloidal systems. A sugar solution is a true homogeneous solution in which sugar molecules dissolve completely at the molecular level, so it is not a colloid.
The following item consists of two statements, Statement I and Statement II. Examine these two statements carefully and select the correct answer using the code given below :
Statement I : Catalytic hydrogenation is highest when the catalyst remains in the powdered form
Statement II : When a catalyst is in the powdered form, its surface area becomes highest
On adding some detergent to water, the surface tension