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Which of the following statements "is"//...

Which of the following statements `"is"//"are"` wrong?

A

Aluminium wire is used in Beilstein test

B

Nitrogen gas is quantitatively estimated in Dumas method

C

In Kjeldahl's method, organic compound is reacted with conc. `H_(2)SO_(4), K_(2)SO_(4)` and `Na_(2)SO_(4)` are also added

D

All organic compounds contain both C and H

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
a) Clean copper wire used
c) In Kjeldane.s method, organic compound is reacted with `K_(2)SO_(4)` and `CuSO_(4)` or Hg and conc. `H_(2)SO_(4)`
d) All organic compounds contain C
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