Kpochaa calcium carbonate. Emere ya site na calcium carbonate (limestone) di elu dika ihe akwara.
mgbaze, carbonation, sedimentation, filtration, ihicha na ndinuak
ngwaahịa na-aghọ.The ngwaahịa e ji mara bụ elu whiteness, elu nchapụta, edo nkesa ahụ, warara
dayameta nkesa wdg.