Which of the following is 'a' FALSE statement?

Question:

Which of the following is 'a' FALSE statement?

  1. Carius tube used in the estimation of sulphur in an organic compound

  2. Kjedahl's method is used for the estimation of nitrogen in an organic compound

  3. 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

  4. Carius method is used for the estimation of nitrogen in an organic compound


Correct Option: , 4

Solution:

(4)

Fact

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