MCQ
Which of the following is $'a'$ $FALSE$ statement ?
- ACarius tube is used in the estimation of sulphur in an organic compound
- ✓Carius method is used for the estimation of nitrogen in an organic compound
- CPhosphoric acid produced on oxidation of phosphorus present in an organic compound is precipitated as $Mg _{2} P _{2} O _{7}$ by adding magnesia mixture.
- DKjeldahl's method is used for the estimation of nitrogen in an organic compound

