Which of the following is ‘a’ FALSE statement ?
1
Carius tube is used in the estimation of sulphur in an organic compound.
2
Carius method is used for the estimation of nitrogen in an organic compound.
3
Kjeldahl’s method is used for the estimation of nitrogen in an organic compound.
4
Phosphoric acid produced on oxidation of phosphorus present in an organic compound is precipitated as Mg2P2O7, by adding magnesia mixture.
5
Not Attempted