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5.  Which number of phenylhydrazine moles that responsible for the oxidation

                  of glucose during the synthesis of glucosazone? " first, second or third?

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              6.  What type of reactions happen in the synthesis of glucosazone from glucose?


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              7.  ..............pH is required for the synthesis of osazone.
              8.  Mention the use of osazone.


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              ………………………………………………………………………………………...


              9.   How  many  water  molecules  are  removed  during  the  formation  of

                  glucosazone?

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