Exothermic and endothermic reactions

Endothermic Reactions Endothermic reactions are those chemical reactions where energy is absorbed by the system from the surroundings mostly in the form of heat. The concept is applied in the physical sciences like chemical reactions where hear is converted to chemical bond energy by way of experiments. Common examples of endothermic reactions are cooking an … Read more Exothermic and endothermic reactions

20.02.18 Uttarakhand (UKPCS) Current Affairs

UTTARAKHAND   Uma to launch drinking water plan on February 20   Union Drinking Water and Sanitation Minister Uma Bharti will launch national drinking water programme “Swajal” from Uttarakashi district in Uttarakhand on February 20.   Introducing the programme, she said it would be implemented in six states, including Uttarakhand, as a pilot project. Swajal … Read more 20.02.18 Uttarakhand (UKPCS) Current Affairs

Properties of polyvinyl chloride

Properties of polyvinyl chloride What is Polyvinyl Chloride (PVC), and What is it Used For? Polyvinyl Chloride (PVC) is one of the most commonly used thermoplastic polymers in the world (next to only a few more widely used plastics like PET and PP). It is a naturally white and very brittle (prior to the additions of plasticizers) plastic. PVC has been around longer … Read more Properties of polyvinyl chloride

09.03.18 Uttarakhand (UKPCS) Current Affairs

UTTARAKHAND   Uttarakhand dairy development organises special programme   On completion of one year of Bharatiya Janata Party (BJP) government in Uttarakhand the State Dairy Development department of Uttarakhand would organise a special programme at parade ground on March 18. The programme titled ‘An innovative experiment by dairy development department’ would be attended by Chief … Read more 09.03.18 Uttarakhand (UKPCS) Current Affairs

27.02.18 Uttarakhand (UKPCS) Current Affairs

UTTARAKHAND   U’khand seeks UP land for compulsory plantation   The Uttarakhand Government is  scouting for land in other states for growing trees as it is left with no land for compulsory afforestation obligation in lieu of the trees that will be axed for the construction of the 5,040 mw multipurpose Pancheshwar Dam project between … Read more 27.02.18 Uttarakhand (UKPCS) Current Affairs

21.02.18 Uttarakhand (UKPCS) Current Affairs

UTTARAKHAND   Char Dham project: CCEA approves nod to Rs 1,384cr tunnel in U’khand   The central government on Tuesday approved a 4.531-km tunnel project in Uttarakhand that would be part of the ‘Char Dham’ project to connect Kedarnath, Badrinath, Yamunotri and Gangotri.   Estimated to cost Rs 1,384 crore, Silkyara Bend-Barkot Tunnel will be … Read more 21.02.18 Uttarakhand (UKPCS) Current Affairs

Corossion of metals

Corrosion is defined as an attack on a material as a result of chemical, frequently electrochemical reaction, with the surrounding medium. According to this definition, the term corrosion can be applied to all materials, including non-metals. But in practice, the word corrosion is mainly used in conjunction with metallic materials. Why do metals corrode? Apart … Read more Corossion of metals

Properties of teflon

Properties of teflon Polytetrafluoroethylene or PTFE (more commonly known as Teflon) is a particularly versatile ivory-white and opaque plastic fluoropolymer; it is made by the free-radical polymerisation of many tetrafluoroethene molecules, and is suitable for a wide range of applications in industries as diverse as aerospace, the food and drink industry, pharmaceuticals and telecoms. Produced by … Read more Properties of teflon

03.05.18 Uttarakhand (UKPCS) Current Affairs

UTTARAKHAND   DMs to head Urban Local Bodies   The District Magistrates will take over as administrators from May 4 as the term of the various elected representatives of the urban local bodies has come to an end on Thursday.   As the matter regarding the date for holding the elections to the urban local … Read more 03.05.18 Uttarakhand (UKPCS) Current Affairs

28.02.18 Uttarakhand (UKPCS) Current Affairs

UTTARAKHAND   Ban of polythnene in garhwal region from march 31   The ban on use of disposable items made from polythene and polystyrene (thermocol) will be strictly enforced in all the seven districts of Garhwal region from March 31 onward. The Garhwal commissioner further said that environmental damage has been exacerbated due to the … Read more 28.02.18 Uttarakhand (UKPCS) Current Affairs