1.

Match the entires of Column I with appropiate entires of column II and choose the correct option out of the four option (a) ,(b) ,(c ) (d) given at the end of each question {:(,"column I" ,, "column" II),((A) ,"Device in which chemical energy is converted into electrocal energy", (p),"Electrolysis"),((B), "Device which keeps electrical neutrality in two half reactions in an electrochemical cell" , (q), "Redox titration"),((C ) ,"A process in which electric energy is used to bring about decompostion of an electrolye" , (r),"Eelctrochemical cell"),((D),"Process which involves reactions between oxidising and reducing agents to estimate the amount of unknown substence in solution" ,(s),"Salt bridge"):}

Answer»

A-r,B-s,C-p,D-q
A-r,B-s,c-q,D-p
A-s,B-p,C-r,D-q
A-p,B-r,c-s,D-q

Answer :a


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