As we know rainfall occurs when oppositely charged clouds meet, since, clouds are colloidal in nature and carry charge. Spray of silver iodide, an electrolyte, leads to artificial rain. Sometimes electrified sand is also used for this purpose.
As we know rainfall occurs when oppositely charged clouds meet, since, clouds are colloidal in nature and carry charge. Spray of silver iodide, an electrolyte, leads to artificial rain. Sometimes electrified sand is also used for this purpose.