Modern Magical Item: Dispenser of Many Goops

This opaque bottle with a pump dispenser cap contains an infinite supply of viscous liquid. What liquid, you may ask? Any from the list below! However, without spending time and significant effort (a difficult skill check as determined by the GM), you can’t control what substance comes out when you press the pump. 1d10  Goop  1.      Hand Soap  2.      Ketchup  3.      Personal Lubricant  4.      Mayonnaise  5.      White Glue  6.      Shampoo  7.      Sweetened Condensed Milk  8.      Pancake Batter  9.      Laundry Detergent  10.    Toothpaste