Metallurgy concentration, roasting, smelting

Metallurgy concentration, roasting, smelting Roasting It is a process wherein the ore is heated either alone or with some other material in excess of air below the fusion point of the ore. Usually, this method is used for sulphide ores. In roasting, definite chemical changes take place to form oxide or chloride of the metal. … Read more

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

Provisions of SC/ST Atricities act

Provisions of SC/ST Atricities act, The Scheduled Castes and Tribes (Prevention of Atrocities) Act, 1989 is an Act of the Parliament of India enacted to prevent atrocities against scheduled castes and scheduled tribes. The Act is popularly known as POA, the SC/ST Act, the Prevention of Atrocities Act, or simply the Atrocities Act. Article 17 … Read more

Planning commission and national development council

Planning commission and national development council Planning commission The Planning Commission was an institution in the Government of India, which formulated India’s Five-Year Plans, among other functions. Background Rudimentary economic planning, deriving from the sovereign authority of the state, was first initiated in India in 1938 by Congress President and Indian National Army supreme leader … Read more

India and Its Neighbors

  India has a long land frontier and coastline. It shares boundaries with Pakistan, Nepal, Bhutan, China, Bangladesh, Myanmar (Burma) and Sri Lanka. India has official political relations with most nations. India is considered as the world’s second most populous and democratic country. Foreign policy of India has always regarded the concept of neighbourhood as … Read more

Plants and mankind, characteristics of plants, structure and function of plant cells and organelles;

  Objects having characteristics of cellular organization, growth, reproduction, ability to sense environment and give response are living organisms. There are some important features of living organisms: It should grow, which means its structure changes as time goes by in an advantageous manner. It should show adaptation to the environment. It should maintain some balanced … Read more

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