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Question: Your friend Savita phoned up to tell you that Preeti, a common friend, has met with an accident. She has been admitted to St.John's hospital. She asked you whether you would come with her to see Preeti. You decide to go with her. Your mother is having her afternoon siesta and you do..

Commonly known substance such as vegetable ghees is hydrogenated oils. For their manufacture, they are treated with hydrogen at a temperature of 150-200 o C at a pressure of 5 atmospheres in the presence of finely divided nickel, which acts as catalyst. When the desired consistency is re..

>Space-based remote sensing is a new technology. It has high potential for applications in nearly all aspects of resource management. India recognized the potential of this technology quite early. India conducted several remote sensing experiments in the late '60s and '70s using airborne ..

Air pollution - We know that air is one of the most essential requirements for all the living organisms. It is therefore imperative that we try and keep the air pure. Technological and industrial progress has vastly affected the quality of air that we breathe in. Because of the dense population and..

Enzyme Catalysis - Enzymes are macromolecules, usually proteins, produced in living systems, which act as catalysts in physiological reactions. The striking characteristics of enzymes are their catalytic power and specificity. Enzymes have immense catalytic power; they accelerate reaction..