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Ag ullmhú eitín

Cad é an cothromóid de ullmhú eitín? CaC2+2H2O=Ca(OH)2+C2H2
Cén chumas atá ar an décharbaíd chailciam roimh a chuirtear uisce air? Liath agus cnapúil
Cad a tharlionn nuair a chuirtear uisce ar an décharbaít chalciam? Athraíonn sé go hiodrocsaíd chailciam; púdar bán le toirt níos airde
Cad a úsáidtear chun eisíontais mar PH3 a bhaint? Tuaslagán Sulfáit Chopait Aigéadach
Conas a dónn sé? Le lasar buí toiteach
Created by: marthacrowe9