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.
Answer by Jenniferlm21 (5). It is because when the acid (citric acid) of the lemon juice comes in contact with the zinc core of the penny (the outside of the penny)it creates a reaction.add a comment. +1 vote!nswer by leeyjin (6). Citric acid in lemon juice etches away copper oxide that gives the penny the dark color. When the oxide is removed, the copper metal underneath is exposed.