in analysing the chemical composition of a living tissue,it is grinded to get acid soluble and acid insoluble pool .....acid soluble pool contains many organic compunds..... then what does acid insoluble contain? inorganic compounds? then y cant inorganic compounds of living tissue be studied thru the acid insoluble pool .... wht is the need to dry thm nd then burn them to ash? i understand they get rid of the carbon ... but some how this thing is not clear for me.....

 

nd i also need some tips to study this chapter... pleese help me :)