UKPCS Prelims and Mains Notes-UKPSC Test Series
UTTARAKHAND State govt initiates slew of schemes for welfare of ex-servicemen, says rawat The State Government has undertaken a slew of schemes for the welfare of the ex-servicemen and efforts are being made to connect them with tourism, Chief Minister Trivendra Singh Rawat said while addressing the veterans of the armed forces at … Read more 12.06.18 Uttarakhand (UKPCS) Current Affairs
Ore An ore is a special type of rock that contains a large enough amount of a particular mineral (usually a metal) to make it economically practical to extract that mineral from the surrounding rock. Not all minerals are found in a large enough amount in one location to make it worth it to remove the ore … Read more Ore
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