Which best defines a service? a task that is performed in exchange for payment an object that is acquired a plan that is execute
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<h2>QUESTION:- Which functional group is found in an ester?</h2>
ESTER IS THE COMPOUND IN WHICH OH GROUP IS REPLACED BY THE (O) in the substitution reaction.
so common formula of ester ->
RCOOR'
IN WHICH R AND R' ARE CARBON CHAINS