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.
Citric Acid. An acid solution weakens the bonds that formed between the copper and oxygen atoms to create the copper oxide. Citric acid, contained in lemon juice, is a weak acid that will break those bonds.The experiment can be repeated with other acids, such as vinegar.ait five minutes, then remove the penny from the lemon juice. The penny will get cleaner the longer it sits in the solution. Wipe it with a white paper towel. Any remaining dirty coating, which is actually copper oxide, will rub off as an orange stain on the paper towel, leaving the penny clean and shiny.