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  2. Hindi - Wikipedia

    en.wikipedia.org/wiki/Hindi

    Modern Standard Hindi ( Hindi: आधुनिक मानक हिन्दी, romanized : Ādhunik Mānak Hindī ), [14] commonly referred to as Hindi (Hindi: हिन्दी, [a] Hindī ), is an Indo-Aryan language spoken chiefly in North India, and serves as the lingua franca of the Hindi Belt region encompassing parts of northern ...

  3. Chemistry - Wikipedia

    en.wikipedia.org/wiki/Chemistry

    Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.

  4. History of chemistry - Wikipedia

    en.wikipedia.org/wiki/History_of_chemistry

    The 1871 periodic table constructed by Dmitri Mendeleev. The periodic table is one of the most potent icons in science, lying at the core of chemistry and embodying the most fundamental principles of the field. The history of chemistry represents a time span from ancient history to the present. By 1000 BC, civilizations used technologies that ...

  5. Mein Kampf - Wikipedia

    en.wikipedia.org/wiki/Mein_Kampf

    Nevertheless, Mein Kampf was a bestseller in Germany during the 1930s. [29] During Hitler's years in power, the book was in high demand in libraries and often reviewed and quoted in other publications. It was given free to every newlywed couple and every soldier fighting at the front. [26]

  6. Mahabharata - Wikipedia

    en.wikipedia.org/wiki/Mahabharata

    Synopsis. Ganesha writes the Mahabharata upon Vyasa's dictation. The core story of the work is that of a dynastic struggle for the throne of Hastinapura, the kingdom ruled by the Kuru clan. The two collateral branches of the family that participate in the struggle are the Kaurava and the Pandava.

  7. Nadar (caste) - Wikipedia

    en.wikipedia.org/wiki/Nadar_(caste)

    Nadar (also referred to as Nadan, Shanar and Shanan) is a Tamil caste of India. Nadars are predominant in the districts of Kanyakumari, Thoothukudi, Tirunelveli and Virudhunagar. The Nadar community was not a single caste, but developed from an assortment of related subcastes, which in course of time came under the single banner Nadar.

  8. Sodium hypochlorite - Wikipedia

    en.wikipedia.org/wiki/Sodium_hypochlorite

    The reaction can be written as: −OCl + H+ ⇌ HOCl. Sodium hypochlorite solutions combined with acid evolve chlorine gas, particularly strongly at pH < 2, by the reactions: HOCl (aq) + Cl− + H+ ⇌ Cl2(aq) + H2O. Cl2(aq) ⇌ Cl2(g) At pH > 8, the chlorine is practically all in the form of hypochlorite anions ( OCl− ).

  9. Ramayana - Wikipedia

    en.wikipedia.org/wiki/Ramayana

    The name Rāmāyaṇa is composed of two words, Rāma and ayaṇa. Rāma, the name of the main figure of the epic, has two contextual meanings. In the Atharvaveda, it means 'dark, dark-coloured, black' and is related to the word rātri which means 'darkness or stillness of night'. The other meaning, which can be found in the Mahabharata, is ...