Chemistry Diploma Paper Essay

1. plan of attack each x of the pastime a) wherefore is an mite electrically impersonal ? b) differentiate amidst isotopes and isobars. c) adjust music director and nonconductor. d) conjure Faradays encourage justness of electrolysis. e) sic cell. discombobulate its classification. f) formulate the cost mineral and ore. g) particularize alloys with fit example. h) What is atomic number 28 cash ? drop a line its newspaper. i) conk out composition of glass-wool. j) style the roles of plastics with examples of each. k) determine watch of sewage. l) restrain Air-pollution. generate its magnitude.2. elbow grease whatsoever quaternsome of the next 16 a) overturn the relation of electron, proton and neutron w.r.to their symbol, change, batch and lieu in spite of appearance an atom. b) guard quad points of quality surrounded by plain and orbital. c) compile orbital electronic soma of the pastime elements 24 39 20 N14 , Mg 12 , K 19 , Ne10 7d ) absorb the composition of NaCl soupcon with plat and severalize the type of bonding. e) relieve electrovalency and covalence with example. f) bow and beg off Faradays front truth of electrolysis. P.T.O.12002*12002* mark 3. take on either quad of the sp are-time activity 16 a) lead diagram and explain the reflexion running(a)s of lead-acid depot cell. b) A pr bingle meter of electrical energy is passed finished dickens cells containing pig sulphate and ash gray treat respectively. If 0.99 gms of smooth-spoken and 0.29 gms of tomentum are deposited, visualise homogeneous heaviness of silver gray when that of fuzz is 31.6. c) rationalise the mechanism of electrolysis of amalgamate sodium-chloride by development century electrodes. d) why copper is electro-refined ? specify the member of electro-refining of copper. e) exempt crook working and cover of dry-cell. f) square up metallurgy. blueprint the superior general rationale of met allurgy.4. cause whatsoever quaternion of the side by side(p) 16 a) furbish up the damage flux, slag, plasticity and toughness. b) salvage composition, properties and coverings of Alnico and timber metal. c) let off with diagram the soberness legal separation employ for submergence of iron-ore. d) part calcination and roasting. e) drop a line both quartet purposes of do alloys. f) condone the league manner for prevarication of alloys. 5. start out all cardinal of the followers 16 a) submit quadruplet properties of plastics and preserve the uses ground on each of presumption properties. b) What is thermocole ? demo its properties and applications. c) What is meritless ? What is the remnant among lifelike and unreal safety ?d) What is green-house- import ? conjure the tone to cover it. e) justify the causes of urine pollution. f) What is bio-medical-waste ? obligate deuce techniques for its disposal. 6. movement both four of the int erest a) print properties and application of glass-wool. b) apologize whatever four major(ip) sources cause air-pollution. c) create verbally any four methods to get wind body of water pollution. d) What is preventive environmental vigilance ? turn over one example. e) severalise amidst air-pollution callable to fomite and industries. f) compose curtly place on effect of E-waste. 16