Assertion: Kjeldahl method is not used for pyridine.
Reason: Nitrogen of pyridine does not change to ammonium sulphate under these conditions.
(1) Both Assertion and Reason are true and Reason is a correct explanation for assertion
(2) Both Assertion and reason are true but Reason is not a correct explanation for assertion
(3) Assertion is true but Reason is false
(4) Assertion is false but Reason is true