UKPCS Prelims and Mains Notes-UKPSC Test Series
UTTARAKHAND Polythene ban to be enforced strictly from july 31 onward: CM The ban on polythene in the State will be enforced strictly from July 31 onward. A State level task force will also be formed to direct work on various aspects related to this issue Expressing his views on the occasion … Read more 02.06.18 Uttarakhand (UKPCS) Current Affairs
UTTARAKHAND CM launches automated e-gate pass system In sync with digital India drive, a system of E-gate pass in Uttarakhand secretariat and Vidhan Sabha started. Under the new system which will operate along with the old system of making gate passes, E-passes of guests, employees and vehicles can be issued from any … Read more 16.03.18 Uttarakhand (UKPCS) Current Affairs
Metallurgy concentration, roasting, smelting Roasting It is a process wherein the ore is heated either alone or with some other material in excess of air below the fusion point of the ore. Usually, this method is used for sulphide ores. In roasting, definite chemical changes take place to form oxide or chloride of the metal. … Read more Metallurgy concentration, roasting, smelting
The Kushanas: Short introduction In the early 2nd century BC, a tribe on the Central Asian frontier of China called Hsiung-nu defeated a neighboring one known as Yueh-chih. After more conflict, the survivors of the Yueh-chih were dislocated west, passing down the Ili river valley and along the southern shore of lake Issyk Kul. This … Read more Post Mauryan period- Political, Social, Economic, Religious and Cultural life during Kushana
Refining of ores Metallurgy Metallurgy Metallurgy is the process of obtaining metals from ores. It may be defined as the processes which are involved in the extraction of metals from their ores and then refining them for use are known as metallurgy. Steps of Metallurgy: Metals can be extracted from their ores by following processes: Enrichment of … Read more Refining of ores Metallurgy