Questions

EI Hierro

Rapid Action Force, a central force, was raised on october 7,1992 to quell communal and intercaste riots anywhere in India.

Washing soda is the common name for Sodium Carbonate (Na2CO3). It is also called as Soda Ash.

Dust particles such as coal dust(smoke) are fine particle of a solid (carbon in the case of smoke) dispersed in air. They are colloidal systems and the particles are charged either positive or negative. In an applied electrical field, they are attracted towards the opposite electrodes. Movement of the particles towards the electrodes is known as 'electrophoresis'. Hence electrophoresis is applied to remove smoke within the chimeny itself without allowing it to escape into the air and cause nuisance.