Acids and bases

Acid An acid is a substance which forms H+ ions as the only positive ion in aqueous solution. Examples:- Hydrochloric acid dissolved in water forms H+ and Cl– ions   HCl —> H+ + Cl–   Sulphuric acid dissolved in water forms H+ and SO42- ions   H2SO4 —>2H+ + SO42-   Nitric acid forms H+ and NO3– ions when dissolved in water   HNO3 —> … Read more Acids and bases

The Rate of a Chemical Reaction-CGPSC Mains

The Rate of a Chemical Reaction The rate of a chemical reaction can be defined as the amount of the reaction which occurs in unit time. The rate of a reaction is measured by choosing certain properties of the reaction which will indicate how far the reaction has gone, and whose magnitude can be observed … Read more The Rate of a Chemical Reaction-CGPSC Mains

Global warming

Global warming is a term used for a gradual rise of atmospheric temperature and consequent changes in the radiation balance mainly due to human action leading to climatic change at different levels – local, regional and global. As per recent estimates, it has been found that  the surface air temperature over the past 100 years … Read more Global warming

Ozone layer depletion

Ozone (O3) is a molecule made up of three atoms of oxygen (O), and is mostly found in the strato- sphere, where it protects us from the Sun’s harmful ultraviolet (UV) radiation. Although it represents only a tiny fraction of the atmosphere, ozone is crucial for life on Earth. The stratospheric ozone layer forms a … Read more Ozone layer depletion

Chhattisgarh: Agriculture

  Current Status: Agriculture is counted as the chief economic occupation of the state. According to a government estimate, net sown area of the state is 4.828 million hectares and the gross sown area is 5.788 million hectares. About 80% of the population of the state is rural and the main livelihood of the villagers … Read more Chhattisgarh: Agriculture

Water Resources : Availability

  Water is a prime natural resource, a basic human need and a precious national asset. Planning, development and management of water resources need to be governed by national perspectives. India accounts for about 2.45 per cent of world’s surface area, 4 per cent of the world’s water resources and about 16 per cent of … Read more Water Resources : Availability

Food Security & Public Distribution System(PDS)

WHO Defines Food security to exists when all people, at all times, have physical, social and economic access to sufficient, safe and nutritious food which meets their dietary needs and food preferences for an active and healthy life. Food security has three interlinked contents such as :- Availability of food, Access to food and absorption of food. Food … Read more Food Security & Public Distribution System(PDS)

Planning in India

Planning in India First Plan (1951 – 56) Target Growth : 2.1 % Actual Growth 3.6 % It was based on Harrod-Domar Model. Influx of refugees, severe food shortage & mounting inflation confronted the country at the onset of the first five year Plan. The Plan Focussed on agriculture, price stability, power and transport It … Read more Planning in India

Poverty and Unemployment

Assessment of the growth experience: Poverty and Unemployment Poverty and unemployment are closely related High poverty has a multiplier effect on quality of life, deprivation, malnutrition, illiteracy and low human resource development. Poverty Poverty lines Normative nutritional requirement per person per day at some base point. This is debated 2400 cal (rural), 2100 cal (urban) … Read more Poverty and Unemployment