in iit jee 2011 there is a question on adsorption and it says all processes are exothermic.
but hydrogen adsorption on glass is endothermic!!!
how can the answer key have this option correct???
will the iit ppl take care of this???
thats very true that hydrogen adsorption on glass is endothermic ,
there could be some error in the answer key so dont you wory...........!!!!
in such cases jee give marks for more than 1 correct answers...
BEST OF LUCK..!!!!
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