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What are the uses of Nitric acid ?
What are the uses of Nitric acid(HNO3)
- Manufacture of NH4NO3 and other nitrates
- Manufacture of chemicals for trinitroglycerine , TNT ,etc......
- Used as oxidiser in rocket fuels
Mohandas Karamchand Gandhi
Mohandas Karamchand Gandhi 
pronunciation (help·info) (pronounced: [?mo???nd?a?s ?k?r?mt??nd? ??a?nd??i]; 2 October 1869[1] – 30 January 1948), commonly known as Mahatma Gandhi, was the preeminent leader of Indian nationalism in British-ruled India. Employing non-violent civil disobedience, Gandhi led India to independence and inspired movements for non-violence, civil rights and freedom across the world.[2][3]
Swami Vivekananda
Swami Vivekananda (Bengali pronunciation: Sh?mi Bibek?nando (help·info)): Bengali pronunciation: [?ami bibekan?n?o]) (12 January 1863–4 July 1902), born Narendra Nath Datta[3] (Bengali pronunciation: [n?rend?ro nat?? d??t?t?o]), was an Indian Hindu monk. He was a key figure in the introduction of Indian philosophies of Vedanta and Yoga to the western world[4] and was credited with raising interfaith awareness, bringing Hinduism to the status of a major world religion in the late 19th century.[5] He was a major force in the revival of Hinduism in India and contributed to the notion of nationalism in colonial India.[6] He was the chief disciple of the 19th century saint Ramakrishna and the founder of the Ramakrishna Math and the Ramakrishna Mission.[4] He is perhaps best known for his inspiring speech beginning with "Sisters and Brothers of America,"[7] through which he introduced Hinduism at the Parliament of the World's Religions in Chicago in 1893.
BHAGAT SINGH
Bhagat Singh (IPA: [p????t? s????] (
listen); 28 September 1907 – 23 March 1931) was an Indian nationalist considered to be one of the most influential revolutionaries of the Indian independence movement. He is often referred to as Shaheed Bhagat Singh, the word "Shaheed" meaning "martyr" in a number of Indian languages. Born into a Sikh family which had earlier been involved in revolutionary activities against the British Raj, as a teenager Singh studied European revolutionary movements and was attracted to anarchist and marxist ideologies. He became involved in numerous revolutionary organisations, and quickly rose through the ranks of the Hindustan Republican Association (HRA) to become one of its main leaders, eventually changing its name to the Hindustan Socialist Republican Association (HSRA) in 1928.