CHEMISTRY IMP QUESTIONS 1.wht is equivalent conductance ? give - TopicsExpress

CHEMISTRY IMP QUESTIONS 1.wht is equivalent conductance ? give its units 2.wht is a plastic ? wht r its constituents? 3.write nernst equation &its applications? 4.explain construction of quinhydrone electrode 5.explain charging &discharging of lead acid storage cell with chemical reaction 6.(a).describe the factors effecting rate of corrosion by nature of metal (b)explain the mechanism of oxidation corrosion 7.how is exhausted ion exchange resins regenerated ? 8.(a)write d diff b /w addition & condensation polymerizations with example (b)write prepration properties & engineering applications of bakelite. 9.(a) discuss the ion exchange process for softness of water.(b) write a note on scale & siudge . 10.(a) wht is hardness of water ? give the causes of hardness (b)calculate the ammount of temporary & permanent haredness of water sample which contains following impurities ca(hco3)2=121.58 ppm,,mg(hco3)2=116.8ppm,mgcl2=79.2ppm,caso4=102ppm. 11(a) explain d electrochemical theory of corrosion of metals wit5h special reference to resting of iro. (b)write a note on galvanicing &metal clodding 12.(a)explai the synthetic methods ,properties,&applications of the following polymers (a) buna s rubber (b) butyi rubber (c) thokol rubber 13.(a)diff b/w lime -soda & zeolite proces for sofening of water giving merites &demerites of the 2 processes (b)how is the hardness of water expressed ?wht r thevarious units employed ?explain their interconversion? 14(a)give reasons for the following statements (b)when a zn rod is dipped in a solutions & aq.cuso4 cu is precipetated out (c) nenrst equation to determine concentration of cell 15(a) describe the zeo lite process for soft and hardening of h2o (b) decribe methods for disinfection of water 16(a) de3scribe experimental method for determination of ph of solutionusing quin hydrone elelctrode (b)explain conductometric titrations and its applications wrie an account on prepration ,uses,propeertiesw of thikol rubber 20. explain dialysis 21 .expalin corrosion of metals and didderent types of corrioson| 22. give descriptiion about electro chemical theory of corrision 23 explain dry corriosion and wet corriosion (b) what is cathodic protection and explain it by sacrificial an ode methode I AM GOING TO POST REMAINING QUESTIONS IN FEW MIN UTES........................................

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