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.
Nitric acid reacts with copper according to the reaction: 4 HNO3(l) + Cu(s) ==> Cu(NO3)2(s and aq) + 2 NO2(g) + 2 H2O(l) The copper nitrate salt that forms is a deep blue color. The nitrogen dioxide is a maroon vapor. Place the copper disk in the bottom of the glass cylinder. Carefully drop a few drops of nitric acid onto the disk.