Tag Archives: Chemistry






Sir C.V. Raman

Here we listed out important facts about famous scientist Sir C.V. Raman, with his Biography, Profile, Facts, Timeline, Awards, Achievement, etc., Born: 7 November 1888, Thiruvanaikaval, Tiruchirappalli Died: 21 November 1970, Bengaluru Nationality: Indian Fields: Physics Awards: Nobel Prize in Physics, Bharat Ratna, Matteucci Medal, Hughes Medal, Lenin Peace Prize, Franklin Medal Books: Why the

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Robert Boyle

Here we listed out important facts about famous scientist Robert Boyle, with his Biography, Profile, Facts, Timeline, Awards, Achievement, etc., Born: 25 January 1627, Lismore, County Waterford, Republic of Ireland Died: 31 December 1691, London, United Kingdom Known for: Boyle’s law Siblings: Katherine Jones, Viscountess Ranelagh, more Nationality: English, Irish Fields: Physics, chemistry Awards: FRS

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Michael Faraday

Here we listed out important facts about famous scientist Michael Faraday, with his Biography, Profile, Facts, Timeline, Awards, Achievement, etc., Born: 22 September 1791, Newington Butts, London, United Kingdom Died: 25 August 1867, Hampton Court Palace, Molesey, United Kingdom Nationality: British Spouse: Sarah Barnard (m. 1821–1867) Awards: Royal Medal, Bakerian Lecture, Copley Medal, Albert Medal,

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Alfred Nobel

Here we listed out important facts about Famous Scientist Alfred Nobel, with his Biography, Profile, Facts, Timeline, Awards, Achievement, etc., Born: 21 October 1833, Stockholm, Sweden Died: 10 December 1896, Sanremo, Italy Nationality: Swedish Awards: John Fritz Medal Parents: Immanuel Nobel, Caroline Andrietta Ahlsell Occupation: Chemist, engineer, inventor, businessman, philanthropist Known for: Invention of dynamite,

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Chemistry GK Questions – Part 12

111. The most important ore of aluminium is A. bauxite B. magnetite C. haematite D. monazite Answer: A. bauxite 112. The organic reaction represented by equation CH3 – CH = O + H2NOH gives CH3 – CH – NH + H2O is an example of A. an addition reaction B. a condensation reaction C. an

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Chemistry GK Questions – Part 11

101. Which one of the following non metals is not a poor conductor of electricity A. Sulphur B. Selenium C. Bromine D. Phosphorus Answer B. Selenium 102. Which one of the following is not a chemical change ? A. Burning of coal in air B. Fermentation of sugarcane juice C. Cracking of petroleum D. Crystallization

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Chemistry GK Questions – Part 10

91. The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is A. 5x/36 B. 5x C. 7.2 x D. x/6 Answer: A. 5x/36 92. The major constituent of air is A. nitrogen B. carbon dioxide C. oxygen

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Chemistry GK Questions – Part 9

81. The hydronium ion is A. H+ B. HO – C. H2+ D. H3O+ Answer: D. H3O+ 82. The most electropositive elements among the following is A. Na B. Ca C. K D. Cs Answer: D. Cs 83. The method that cannot be used for removing permanent hardness of water is A. adding sodium carbonate

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Chemistry GK Questions – Part 8

71. The chemicals used as a fixer in phosphorous is A. borax B. sodium thiosulpahte C. sodium sulphate D. ammonium persulphate Answer B. sodium thiosulpahte 72. Which one of the following does not contain silver? A. horn silver B. german silver C. ruby silver D. Lunar caustic Answer B. german silver 73. Which one among

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Chemistry GK Questions – Part 7

61. The number of waves in n x 10th Bohr’s orbit are A. n2 B. n C. n-2 D. n3 Answer: B. n 62. The mass of one Avogadro number of helium atom is A. 1.00 gram B. 4.00 gram C. 8.00 gram D. 4 x 6.02 x 1023 gram Answer: B. 4.00 gram 63.

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