1.

In Kjeldahl's method, ammonia from 5g of food neutralizes 30cm^(3) of 0.1N acid. The percentage of nitrogen in the food is

Answer»

`0.84`
`8.4`
`16.8`
1.68`

Solution :PERCENTAGE of NITROGEN `=(1.4xxN_(1)xxV)/(w)`
`=(1.4xx0.1xx30)/(5)=0.84%`


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