Test some shampoos and detergents to determine their pH values. Tomatoes can be canned in a hot water bath without fear of botulism developing in the tomatoes. Corn must be canned in a pressure canner at high pressures in order to eliminate the possibiltiy of botulism. In July 1991 at St. Lazare, Manitoba, a train carrying acetic anhydride derailed. The chemical spilled and the town was evacuated.
Caustic soda is a an important industrial chemical.
Add a tablet of an antacid, such as Tums, Rolaids, milk of magnesia tablets, etc. Allow the neutralization reaction to proceed. When the fizzing has stopped, complete a titration using 0.2 M NaOH with a phenolphthalein indicator. Calculate the number of moles of acid to begin with, the number of moles of NaOH needed to neutralize the acid, and the number of moles of HCl neutralized by the antacid. Compare the results from a variety of brands of antacid tablets.