1.

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

Answer»

`0.84`
`8.4`
`16.8`
`1.68`

Solution :PERCENTAGE of nitrogen `= (1.4 xx N_(1) xx V)/(w)`
`= (1.4 xx 0.1 xx 30)/(5) = 0.84 %`


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