White tongue is a coating of debris, bacteria and dead cells on your tongue that makes it look white.Although the appearance of white tongue may be alarming, the condition is usually harmless and temporary.hite tongue is a coating of debris, bacteria and dead cells on your tongue that makes it look white.
Yes, because the orange juice has an acidic pH. When you mix an acid (orange juice), with a reactive metal (aluminum) they react, the aluminum slowly dissolves into the orange â¦ juice.This would give it a horrible taste and it probably wouldn't be safe to consume.6 people found this useful.es, because the orange juice has an acidic pH. When you mix an acid (orange juice), with a reactive metal (aluminum) they react, the aluminum slowly dissolves into the orange â¦ juice.
Soaking a copper penny in lemon juice makes an old penny look new. Lemon juice removes the copper oxide coating. Adding salt to the lemon juice will clean the penny more effectively. This simple experiment is an easy way to demonstrate some basic scientific principles about oxidation and chemical reactions to children.