Notes and Study material for Exams
Slow reactions Chemical reactions that occur very slowly and can take a long time for completion are called slow reactions. Usually covalent compounds are involved in slow reactions.Some reactions can take days, weeks and months to complete; they are called very slow reactions.For example, Milk may take several hours or a day to convert to curd, while it … Read more
TYPES OF MISSILE AND ASSOCIATED CONCEPTS: Brahmos Supersonic cruise missile, BrahMos, is being developed with Russia as a private joint-venture. BrahMos is a multi-platform cruise missile enabling it to strike from various types of land, sea and air-based platforms. It is among the fastest supersonic cruise missiles in the world with speeds ranging between Mach … Read more
Climate change is a result of rapid Global Warming. The increase of Average temperature of earth is termed as Global warming. Global warming is a natural process which has been accelerated by anthropogenic activities. Because of this earth is not getting time to adjust to this change. This is causing Climate Change. Effect on … Read more
Safe Drinking and Supply Safe drinking water is the birthright of all humankind – as much a birthright as clean air. The majority of the world’s Population, however, does not have access to safe drinking water. This is certainly true in most parts of Africa and Asia. Even in relatively advanced countries such … Read more
Electric Discharge In Gases Electrical discharge through gases is studied by using a specially designed glass tube commonly called as a discharge tube. It consists of a cylindrical glass tube having a side tube, and two metallic electrodes one at each end. These electrodes can be connected to the respective terminals of a high tension … Read more
Export potential of india’s agriculture sector India’s agrarian culture and diverse Climate types have made significant contributions to the global food basket. Mangoes, curries, snacks, and spices from India are famous all over the world. For a quick look at some data points, India leads the production of bananas, papayas, and mangoes in the world. … Read more
Nuclear reactors A nuclear reactor, formerly known as an atomic pile, is a device used to initiate and control a self-sustained nuclear chain reaction. Nuclear reactors are used at nuclear power Plants for electricity generation and in propulsion of ships. Heat from nuclear fission is passed to a working fluid (water or gas), … Read more
Magnetic Storm A magnetic storm is a period of rapid Magnetic Field variation. It can last from hours to days. Magnetic storms have two basic causes: The Sun sometimes emits a strong surge of solar wind called a coronal mass ejection. This gust of solar wind disturbs the outer part of the Earth’s magnetic field, … Read more
Biodiversity and intact Ecosystems. Climate justice is the understanding that we will not be able to stop climate change if we don’t change the neo-liberal, corporate-based economy which stops us from achieving sustainable societies. It is the understanding that corporate Globalization-3/”>Globalization must be stopped. The historical responsibility for the vast majority of greenhouse gas emissions … Read more
Magnetic keepers A magnet keeper, also known historically as an armature, is a ferromagnetic bar made from soft iron or steel, which is placed across the poles of a permanent magnet to help preserve the strength of the magnet by completing the magnetic circuit; it is important for magnets that have a low … Read more