Use of Chromium:
In chrome-plating:
1. The articles to be plated with chromium are made up of cathode in an electrolytic bath having chromic acid and sulphuric acid whereas the anode is made of a plate of lead. Throughout electrolysis chromium deposits on the article (i.e., cathode). Usually the articles are initially plated with nickel and then subjected to chromium plating.
2. In the construction of alloy steels, example, chrome vanadium steel, chrome steel, stainless steel and tungsten steel.
3. Chrome nickel steel is employed for armor plates.
4. Chromium salts are utilized as mordants and in the manufacture of colored glass and pottery.
5. Chromium compounds are utilized in dyeing as pigments and in the tanning of leather.
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