Its pH changes very little when a small or moderate amount of strong acid or base is added to it and thus it is used to prevent changes in the pH of a solution. Buffer solutions are used as a means of keeping pH at a nearly constant value in a wide variety of chemical applications.
The Wizard of Oz movie musical premieres in Oconomowoc, Wisconsin. The Wizard of Oz, starring Judy Garland and featuring words and music by E.Y. âYipâ Harburg and Harold Arlen, receives its world premiere in Oconomowoc, Wisconsin, on this day in 1939.
MGM 's 1939 musical fantasy film The Wizard of Oz was first shown in theatres that year, then re-released nationwide in 1949 and 1955. It was first telecast on television on Saturday, November 3, 1956. The film was shown as the last installment of the CBS anthology series Ford Star Jubilee.