Chemistry, asked by shatakshisri94, 6 months ago

Explain why :

(a) a black precipitate is obtained in the Lassaigne’s test for the detection of

sulphur?

(b) During the test for halogens, sodium extract is first boiled with a few drops of

conc.HNO3?

Answers

Answered by angelinavbinu

0

Answer:

Sodium sulphide

Explanation:

Nothing much

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