Surface Chemistry Test

Fog is a colloidal solution of

The colloidal solution of two immiscible liquids is called

The basic principle of Cottrell precipitator is

In colloidal state, the particle size ranges from

In which of the following systems, the dispersed phase and dispersion medium are both solid?

Ammonia is adsorbed by

Which among the following is adsorbed greatly by activated charcoal?

Which among the following is an example of sorption?

The adsorbent used in decolouration of vinegar and sugar solution is

Adsorbent used for drying of air and controlling humidity in rooms is

The adsorbent used to adsorb the dye particles in the dying industry is

Ammonia is adsorbed on activated charcoal to a larger extent as compare to CO because

When 50 mL of 1M oxalic acid is mixed with 0.5 g of wood charcoal, the final concentration of the solution after adsorption is 0.5 M. The amount of the oxalic acid adsorbed per gram of charcoal is

Which among the following is an example of homogenous catalyst?

Which catalyst is used in Haber’s process?