In summary, vaccination requirements that reach more children through a broad range of facilities, that have more requirements for receiving an exemption, that require parental documentation of exemption requests, and that are implemented with strong enforcement and monitoring may help promote higher rates of vaccination coverage, and in turn, lower rates of VPDs.
Alum /ËaelÉm/ ËÃ¦lÉm is both a specific chemical compound and a class of chemical. Compounds the specific compound is the hydrated potassium aluminium (sulfate potassium) alum with the Formula K (AL so) 4 Â·2 12 H. 2o
Rating Newest Oldest. Best Answer: Alum: A double sulfate of ammonium. It is used as an astringent, as an emetic and in the manufacture of baking powders, dyes and paper; the commonest form is potash alum (potassium aluminum sulfate). In the kitchen, it is used in pickle making.