Which nitrogen compounds give a positive Lassaigne's test (carbon needed)

This type of question, asked 2 times: 29 Jan 2023, 4 Apr 2024. All 2 questions below, oldest first.

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Question 1
29 Jan 2023
50 $Compound that will give positive Lassaigne's test for both nitrogen and halogen is:$
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Question 2
4 Apr 2024
43 $Which of the following nitrogen containing compound does not give Lassaigne's test?$
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