Carius tube is used in the estimation of sulphur in an organic compound
B
Carius method is used for the estimation of nitrogen in an organic compound
C
Phosphoric acid produced on oxidation of phosphorus present in an organic compound is precipitated as $\mathrm{Mg}_2 \mathrm{P}_2 \mathrm{O}_7$ by adding magnesia mixture.
D
Kjeldahl's method is used for the estimation of nitrogen in an organic compound
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Solution
Carius method is used in the estimation of halogen in organic compounds
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