CHEMISTRY OBJECTIVE AND THEORY. PLS CROSSCHECK BEFORE YOU WRITE IT DOWN.


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1a)Alotropes of sulphur, uses of hydrogen sulphide, (b)method of reducing hardness of water,faraday's law of electrolysis,(c)different btw covalent and eletrovalent compound.
.2a) what is rate of change of reaction,ii)what is hydrolysis,iii)state 3 xteristics properties of transition metals,2b)diff btw electro chemical and electrolytic chemical cell,ii) defination of metals,iii) charle's law of seperating techniqes,iv)use of H2SO4,3a)a solution of cuso4was electrolyzed btw pure copper eletrodes and the following result were obtained copper cathode before experiment=5.75g,4rom d information provided,i)cal d mass of d cathode after the experiment,ii)write an eqtn for d rxtn at d anode and cathode,iii)state whether the colour of d solutn would change during d electrolysis and make sure u give reson 4 ur answer.

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