Minerals

Minerals Minerals are defined as solid, inorganic, naturally occurring substances with a definite chemical formula and general structure. Almost all chemical elements in the Earth’s crust are associated with at least one mineral. They vary in color, hardness, density, crystal form, crystal size, transparency, composition, location, and abundance. Some minerals are radioactive (uranophane), while others … Read more Minerals

Metallurgy of Copper

  Metallurgy of Copper Copper Mining: The commonest ore used in the extraction of copper is Chalcopyrite (CuFeS2) also known as Copper Pyrites and other such sulfides. The percentage of copper in the actual ore is too low for direct extraction of copper to be viable. The concentration of ore is required and it is done by the Froth … Read more Metallurgy of Copper

Refining of ores Metallurgy

 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

laboratory method of preparing alcohol

Laboratory method of preparing alcohol Hydrolysis of Alkyl Halides This is a nucleophilic  substitution reaction. R-X + KOHaq → R-OH The method is not satisfactory as olefins are also formed as by-products. However better yields is obtained by using moist Ag2O or aqueous K2CO3. Tertiary butyl halides mainly gives alkene due to dehydrohalogenation. Hydration of Alkenes This … Read more laboratory method of preparing alcohol

14-15 .01.18 Uttarakhand (UKPCS) Current Affairs

UTTARAKHAND   IMA’s state chapter recommends haryana model of clinical establishment act   The State Chapter of Indian Medical Association (IMA) has recommended Haryana model of Clinical Establishment Act in Uttarakhand.  The opposition of the private doctors of the State has made the provisions of the Clinical Establishment Act redundant in the State.  The IMA … Read more 14-15 .01.18 Uttarakhand (UKPCS) Current Affairs

13.01.18 Uttarakhand (UKPCS) Current Affairs

UTTARAKHAND     Uttarakhand madrassas to teach Sanskrit   The lower committee of Uttarakhand Madrassa Education Board (UMEB) has given its nod to a proposal seeking inclusion of Sanskrit and Computer Science as optional subjects in madrassas all over the state from the next academic session.   At present, madrassas in the state offer Maths, … Read more 13.01.18 Uttarakhand (UKPCS) Current Affairs

12.01.18 Uttarakhand (UKPCS) Current Affairs

UTTARAKHAND   Uttarakhand to get 179 weather stations in next 4 months   For accurate weather predictions, the Himalayan state would get 179 weather stations in the next four months. Besides, three locations – Mussoorie, Mukteshwar and Pithorgarh – have been finalized for the installation ion of Doppler radar.   The Met authorities told the chief … Read more 12.01.18 Uttarakhand (UKPCS) Current Affairs

10.01.18 Uttarakhand (UKPCS) Current Affairs

UTTARAKHAND     Rishikesh to host global yoga and cultural fest in march   The Uttarakhand Government will organise the international yoga and cultural festival in Rishikesh during the first week of March. Along with this event, the State will also commemorate The Beatles festival to commemorate 50 years of the once famous rock band … Read more 10.01.18 Uttarakhand (UKPCS) Current Affairs

09.01.18 Uttarakhand (UKPCS) Current Affairs

UTTARAKHAND   Home stay project to be showcased in a ‘tableau’ at rajpath   The ambitious Home Stay project of Uttarakhand would be showcased in a tableau at Rajpath during Republic Day parade this year. The tableau based on village tourism has figured in the final list released by the Ministry of Defence.   The … Read more 09.01.18 Uttarakhand (UKPCS) Current Affairs

07-08.01.18 Uttarakhand (UKPCS) Current Affairs

UTTARAKHAND   Early warning system helps farmers keep jumbos at bay   While the man-elephant conflict stands as one of the biggest challenges before the Uttarakhand Government, technology, the Animal Intrusion Detection and Repellent System, popularly known as ANIDERS, has ultimately brought some relief to farmers.   Wild elephants raiding crops and even attacking humans … Read more 07-08.01.18 Uttarakhand (UKPCS) Current Affairs