4. chemicals used in making artificial rain
4.1.Chemical category evolve heat or high temperature. (Exothermic chemical) are now used to make artificial rain in the country, Thai.
4.1.1. Type 3 carbon, calcium is
(Calcium carbide; CaC2)
4.1.2. calcium chloride (CaCl2; Calcium Chloride), calcium (Calcium oxide. 4.1.3
oxide; CaO)
4.2. category chemicals absorb heat or low temperature. At present, there are constant (Endothermic chemical) is used in making artificial rain is a type 3
4.2.1. urea (Urea; Co () NH2) 2)
4.2.2. dry ice (Dry ice Co2; (s))
4.2.3. ammonia Chennai concentrate (NH4NO3; Ammoniumnitrate)
4.3.chemicals that make the moisture absorption, such as salt