structure specify about the structure of a protein. PART-B II. Answer any FIVE of the following. (each question carries 2 marks) 5x2=10 11. Give two differences between Schottky and Frenkel defects in ionic solids. 12. Name the gases liberated at anode and cathode respectively when an aqueous solution of sodium chloride is electrolysed. 13. Given 2NO(g) + O2 (g) ¾¾ 2NO2(g) ; rate = k[NO]2 [O2]1. By how many times ® does the rate of the reaction change when the volume of the reaction vessel is
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Lithium Man 7 looks like a AAA battery and weighs 7 amu. He is silver colored with a red and yellow cape that has the number 3 on it. His best friend is Lithium Man 6‚ who looks exactly like him but a little bit thinner. They both live on 152nd street in Lithos City. Lithium Man 7 lives in house 2‚447. Lithium Man 6 lives in house 1‚817. Lithium Man 6 and 7 are both .534 meters tall. Lithium Man 6 and 7 are 199 years old. They can’t be in the water very long or they will dissolve into lithium hydroxide
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to the negative and positive electrodes. “ 1 Electrodes are metals that are capable to conduct electricity through the solution used in electrolysis. During electrolysis‚ positive and negative electrodes are needed. The positive electrode (anode) experiences oxidation (loses electrons and hydrogen‚ gains oxygen) ‚ where the negative electrode (cathode) experiences reduction (gains electrons and hydrogen‚ loses oxygen). In our daily lives‚ we can see the applications of electrolysis
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salts of unsaturated dicarboxylic acids‚ on electrolysis will give alkynes. Potassium maleate or potassium fumerate on electrolysis gives acetylene CH − COOK HO − H electrolysis CH || + ⎯⎯ ⎯ ⎯⎯ ⎯→ ||| + 2CO 2 + 2KOH + H2 ⎯ CH − COOK HO − H CH at anode at cathode Physical properties : Pure acetylene is colorless‚ odourless gas‚ presence of impurities such as H2S‚ PH3 will give garlic odour. • It is sparingly soluble in polar solvents like H2O‚ but readily soluble in non – polar solvents like alcohol
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Atomic structure: scientists 1. Democritus: 1st person to think of atom (500 BCE)- philosopher Atom is the smallest piece of an element that has same properties as the element. 2. Lavisier: Law of conservation of mass/ matter • Mass can’t be created or destroy; same amount of stuff 3. Joseph Proust: Law of constant composition (law of definite Proportions) • A compound is always made of the same elements in the same ratio. 4. John Dalton: English school teacher who derived the atomic theory
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A biological species like an enzyme or microbial cell can either be in solution (or a suspension) within the anodic compartment of the cell or alternatively be immobilised at the electrode. Once a suitable fuel is introduced‚ it is oxidised at the anode partially or totally and the electrons released by this process are used to reduce oxygen at the cathode. Bio-fuel cells are energy-conversion devices based on bio-electrocatalysis power influencing on enzymes or microorganisms. [8-11]. Researchers
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HBeonLabs Off. No. 46‚ 1st Floor‚ Kadamba Complex Gamma-I‚ Greater Noida (India) - 201308 Contact us: +91-120-4298000 +91-9212314779 info@hbeonlabs.com training@hbeonlabs.com www. hbeonlabs.com ELECTRONIC VOTING MACHINE INTRODUCTION This project is design for the student to make them understand the technology used in a now a day’s voting machine system‚ which is used in whole world. These voting machines are equipped with the CPU‚ which control the voting machine. The voting
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algorithm‚ if the codes of the two points P & Q are 0101 & 0001 then the line segment joining the points P & Q will be ____________ the clipping window. a) totally outside b) partially outside c) totally inside d) none of these. vi) ___________ acts as anode in CRT a) The phosphorous coating b) The glass panel c) The deflectors d) none of these. vii) In the inside-outside test of polygon‚ if the winding number of a point is zero then the point lies ____________ the polygon. a) inside b) outside c) on
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Transmitters Light emitting diode (LED) in electronics a semiconductor device that emits infrared or visible light when charged with an electric current. Visible LEDs are used in many electronic devices as indicator lamps‚ in automobiles as rear-window and brake lights‚ and on billboards and signs as alphanumeric displays or even full-color posters. Infrared LEDs are employed in autofocus cameras and television remote controls and also as light sources in fiber-optic telecommunication systems.
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Abundance and Extraction of Metals 1. a Mineral - A mineral is a naturally occurring inorganic solid‚ with a definite chemical composition‚ and an ordered atomic arrangement. b Ore - Deposit in the Earth of valuable metals contained in minerals. c Economic Natural Resource Deposit - This is a natural deposit of something that is economically viable to mine‚ refine and sell. Hence the deposit must be big enough to last for a large period of time‚ so that it will make enough money for the
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