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3-6 May Issue-2017.Indd FUN QUIZ KIRTI BANSAL 1. British chemist born in Penzance in Cornwall in 5. An Austrian physicist whose greatest achievement England on 17 December, 1778. He is best known for was in the development of statistical mechanics, his contributions to the which explains and predicts how the properties of discoveries of chlorine and atoms determine the visible iodine and his invention of a properties of matter. The miner's safety lamp. famous formula for entropy a. Humphry Davy S is S= kB ln W was given by b. Jones Davy him. c. De Broglie a. John Dalton d. John Dalton b. James Maxwell c. Ludwig Boltzmann 2. A synthetic element with atomic number 99. d. Joseph Stefan It is the seventh transuranic element, and an actinide. It was discovered as a 6. After the Big Bang, the universe was extremely hot component of the debris and dense. As the universe cooled, quarks and electrons of the fi rst hydrogen were produced. A few millionths of a second later, quarks bomb explosion in 1952, aggregated to produce protons and neutrons. Within and named in honour of minutes, these protons and neutrons combined into physicist Albert Einstein. nuclei. It took 380,000 years for electrons to be trapped a. Samarium in orbits around nuclei, forming the fi rst atoms. These b. Gadolinium were mainly ……..., which are c. Einsteinium still by far the most abundant d. Fermium elements in the universe. a. Hydrogen and Helium 3. An acronym referring to a family of iron alloys b. Carbon and Silicon which in addition to iron are composed primarily of c. Oxygen and Nitrogen aluminium (Al), nickel (Ni) and cobalt (Co). Its alloys d. Uranium and Plutonium are ferromagnetic, with a high coercivity and is used to Image Credit: NASA make permanent magnets. 7. A borosilicate glass fi rst produced by the Corning Before the development Glass Works company. First formulated during the early of rare-earth magnets in twentieth century, it has become an important material for the 1970s, they were the strongest type of permanent a variety of applications that magnets. require heat and chemical a. Duralumin resistance. b. Alnico a. Bottle glass c. Magnalium b. Flint glass d. Stainless steel c. Pyrex glass d. Hard glass 4. The fundamental physical constant that relates the molar mass of a compound to the mass of a sample. 8. A fullerene is a molecule of carbon in the form of a It was initially defi ned by hollow sphere, ellipsoid and many other shapes. Spherical Jean Baptiste Perrin as the fullerenes also referred to as Buckminsterfullerenes. C60 is number of atoms in one the smallest fullerene molecule containing pentagonal and gram-molecule of atomic hexagonal rings, resemble the hydrogen, meaning one balls used in football (soccer). gram of hydrogen. This How many pentagons and number is also known as hexagons does C contain Loschmidt constant in 60 respectively? German literature. a. 14 and 20 a. Planck Constant b. Faraday Constant b. 12 and 20 c. Molar Gas Constant c. 12 and 24 d. Avagadro Constant d. 14 and 24 60 SCIENCE REPORTER May 2017 9. A polymer with chemical name Poly-paraphenylene 13. A principle that can be used to predict the effect of terephthalamide was invented by Polish-American a change in conditions on a chemical equilibrium. Also chemist Stephanie Kwolek while working for DuPont, in known as “The Equilibrium anticipation of a gasoline shortage. It is the registered law” states; a change in one trademark for a para-aramid of the variables that describe a synthetic fi ber with high tensile system at equilibrium produces strength-to-weight ratio; 5 times a shift in the position of the stronger than steel. Name this equilibrium that counteracts polymer, which is also used to the effect of this change. make bulletproof vests. a. Le Chatelier's Principle a. Nylon b. Avogadro’s law b. Tefl on c. Doppler effect c. PVC d. Fermat’s principle d. Kevlar 14. A German physicist and physical chemist 10. Malachite mineral was one of the fi rst ores used developed with Debye a theory of strong electrolytes to produce copper metal. The mineral malachite which became known as the Debye-Huckel theory. is an excellent material for producing a powdered He introduced a theory of the C=C bond based on pigment because it can easily be ground into a fi ne quantum mechanics which powder, it mixes easily with vehicles, and it retains its was to become the famous colour well when exposed to Huckel method of approximate light over time. What colour molecular orbital (HMO) does malachite (copper calculations on pi-electron carbonate hydroxide) systems. produce? a. Peter Debye a. Blue b. Henri Moissan b. Red c. Erich Hückel c. Green d. Otto Hahn d. White 15. The Royal Swedish Academy of Sciences awarded 11. An organic chemical of the catecholamine and the 1999 Nobel Prize in Chemistry to Professor Ahmed phenethylamine families that plays several important roles H. Zewail, California Institute of Technology, for showing in the brain and body. It functions as a neurotransmitter that it is possible with rapid laser technique to see how and several important diseases (Parkinson’s disease) atoms in a molecule move during a chemical reaction. of the nervous system are Vesicles Cocaine contatining The Academy's citation: For his associated with dysfunctions Dopamine Dopamine studies of the transition states of this chemical synthesized of chemical reactions using in plants and multicellular ________spectroscopy. animals. a. Nanosecond a. Dopamine b. Picosecond b. Glutamate c. Millisecond c. Hydrogen sulphide d. Femtosecond d. Epinephrine Dopamine receptors 12. A coordination complex of rhodium with the formula RhCl(PPh3)3 used as a catalyst for hydrogenation of alkenes. The catalytic and organometallic studies on this complex also played a signifi cant role on the subsequent development of Answer: asymmetric hydrogenation 1) a 2) c 3) b 4) d transfer catalysts which set 5) c 6) a 7) c 8) b the foundations for modern asymmetric catalysis. 9) d 10) c 11) a 12) b a. Nickel Catalyst 13) a 14) c 15) d b. Wilkinson’s Catalyst c. Wacker’s catalyst d. BINAP Contributed by Ms Kirti Bansal, A-38/1, Sarai pipal thala Ext., Adarsh Nagar, Delhi-110033 61 SCIENCE REPORTER May 2017.
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