what do we notice in lassaigne's test if the compound contains both nitrogen and sulphur?

What colour will you get in Lassaigne's test if the compound contains both N and S ?

I. Read the following passage and answer questions 1 - 5 that follow: Nitrogen, sulphur and halogens in an organic compound are detected by Lassaigne's test in which the organic compound is fused with sodium metal. During fusion N is converted to NaCN, S to Na_2 S and halogens to sodium halides. What colour will you get in Lassaigne's test if the compound contains both N and S?

Lassaigne's test for the detection of nitrogen fails in

What will happen during lassaigne's test for nitrogen if the compound also contains sulphur?

In Lassaigne's test, if the organic compound contains both N and S and it is fused with excess sodium metal, the sodium fusion extract will contain