ill tell u d best way

step-1 select a book

step-2 read the theory and all reactions dont use any pen now

step-3 once u r done try to write out what u have read without seeing the text

             i bet the third time u write all d reactions u will remember all

step-4 try to do simple ques first then do d difficult ones

i suggest try out O. P. TONDON I HAV HAD REALLY GOOD RESULTS

i was dumber at chemistry before doing it

u can test me any time now