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Which of the following statements is/are...

Which of the following statements is/are not correct ?

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)` is also added.

D

All organic compounds contain both C and H.

Text Solution

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The correct Answer is:
B, C, D
(c ) Not applicable to pyridine, compounds containing N-N and N-O bonds, atc.
(d) Estimated magnesium pyrrophosphate `(Mg_(2)P_(2)O_(7))`.
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