Uses of Chromium
Uses of Chromium Chromium is used in making chrome steel, which is very hard, tough and contain various proportions of chromium. In making stainless steel – (12 – 18%) Cr, (1%) C and rest iron,…
Topics: Inorganic Chemistry
Uses of Zinc
Uses of Zinc (Zn) Zinc is used for galvanization of iron. Used as a reducing agent. Zinc also used in alloys such as brass, bronze and German silver. In the metallurgy of silver and gold. As…
Uses of Nickel
Nickel (Ni) is used, 1) In a finely divided form (known as raney nickel) as a catalyst in the hydrogenation of oils and fats. 2) It is used for making crucibles and laboratory apparatus. 3)…
Various form of Iron
Three various form of Iron are, Cast Iron Cast iron is the least pure of the irons, and contains 2.5 – 4.5% of carbon. The solidified pig iron when remelted can be cast into any…
What is Passivity of Iron?
When a piece of iron is brought in contact with dilute sulphuric acid, a vigorous reaction begins and hydrogen gas starts coming out. The same piece of iron will displace copper from a solution of…
Why is conc. HCl used in flame test?
In the flame test compounds of some metals, in the presence of conc. HCl, form different colored flames. In the flame test, electrons in both the metal atoms and the chlorine atoms are agitated to…
Uses of Iodine
Iodine is used. In medicines, e.g., for the preparation of tincture of iodine (solution of iodine in alcohol + water containing potassium iodide antiseptic), and iodex (iodine dissolved in petroleum jelly pain killing balm). For…
Uses of Bromine
Bromine is used, As an oxidizing agent. In photography for making silver bromide. For the synthesis of dyes, drugs etc. For the synthesis of diboromoethane, tear gas etc. As petrol additives.
Uses of Chlorine
Chlorine is used, As a bleaching agent for yarn, textiles, paper pulp etc. For sterilization or chlorination of drinking water (water treatment). For the manufacture of hydrochloric acid by synthesis method. For the preparation of…
Uses of Fluorine
Uses of Fluorine Fluorine is so difficult to handle that until World War II it had practically no commercial use. Some of the present day commercial uses of fluorine are : In the separation of…
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