If the phenolphthalein solution turns pink, that means that the plastic bag is permeable to ammonium hydroxide. If it remains colorless, then the plastic bag is not permeable to ammonium hydroxide. If the contents of the plastic bag turn pink, then the plastic bag is permeable to phenolphthalein. If everything remains colorless, then the bag is impermeable to both ammonium hydroxide and phenolphthalein.
They add a small amount of a soft, mobile adhesive to the plastic wrap.
~Ceppwo The purpose of plastic wrap and aluminum foil is for food, it helps the food to stay good, without the plastic wrap and aluminum foil, it would be harder for us to keep it good, and with out it, the food would mold faster . . . so there's your answer:)
You can purchase a plastic wrap dispenser at your local Walmart, Target, or Bed Bath & Beyond. You can also purchase one online from the Amazon website.
Me personally I would say that plastic wrap keeps things colder because it keeps things better contained than aluminum foil. See aluminum foil rips easily than plastic wrap. So I would say plastic wrap.
All shrink wrap is plastic wrap, but not all plastic wrap is shrink wrap.
Yes, plastic wrap is impermeable.
you use plastic wrap for covering something.
It would definitely have to be plastic wrap because plastic wrap is an insulator, which aluminum is not.
Glad Plastic wrap
The plastic wrap that prevents evaporation the best is Saran wrap. Reynolds's Plastic wrap works for the prevention of evaporation also.
Plastic wrap is not a good idea as it causes the tree to sweat. Try a canvas wrap as this allows the tree to breathe.
Reynolds plastic wrap is a great plastic wrap for all cookware items. It is great for bakes sales and especially for bake goods such as cookies and brownies.
Plastic wrap. Foil makes it hot.
Plastic wrap sticks best to glass, but it also sticks to metal. For plastic containers, try aluminum foil.
I think it is aluminum because its metal and bugs can go threw plastic 0_o
Is a plastic rap transluent