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回复 92# lwsiang1986
Paper2(secyion A)
1.periodic table of elements~ atomic size(fr left to right)~ basic oxide, amphoteric oxide, acidic oxide
2. electrolysis U tube~ factor-type of electrodes~ electrolysis using carbon /copper eletrodes (compare)~ application:purificatioan/electroplating of metal
3. rate of reaction~factor concentration~calculation average rate of reaction/instananeous rate of reaction ~collision teory
4. heat of combustion ~draw diagram ~calculation/draw graph of heat of combustion against number of carbon atoms alcohol~ determine the het of combustion of alcohol for the graph
5.acid and bases~properties of strong/ wak acid ang alkali~ electrical conductivity~ neutralisation
6. carbon compound~alcohol and ester~flow diagram ~preparation of ester (esterrification)~chemical properties of alcohol ~haber and contact process
paper3
making of soap
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