Amalgam (chemistry) with copper. A nitric acid solution of salts under investigation is applied to a piece of copper foil, and any mercury ions present will leave spots of silvery-coloured amalgam. Silver ions leave similar spots but are easily washed away, making this a means of distinguishing silver from mercury. The redox reaction involved where mercury oxidizes the copper is: Dental amalgam has been studied and is generally considered to be safe for humans, though the validity of some studies and their conclusions have been questioned. Amalgam (chemistry) An amalgam is an alloy of mercury with another metal, which may be a
I Want a Solution is seeking to divorce her husband Methat a former diplomat with aristocratic background. In flashbacks, we learn that Methat verbally and physically abuses his wife and cheats on her. Doria requested divorce, but according to the Egyptian laws, a woman can only ask for divorce in specific cases. I Want a Solution I Want a Solution (, translit. Oridu hallan) is a 1975 Egyptian drama film directed by Said Marzouk. The film was selected as the Egyptian entry for the Best Foreign Language Film at the 48th Academy Awards, but was not accepted as a nominee. The film criticized the