The LaSSaigen's extract is boiled with conc. `HNO_(3)` while testing for halogens. By doing so it `:`

The Lassaigne's extract is boiled with conc . HNO_(3) while testing for halogens. By doing so it_______ .

The Lassaigne's extract is boiled with conc HNO_(3) with testing for halogens.By doing so it :

The Lassaigne's extract is boiled with dil. HNO_(3) before testing for halogens because

The Lassaigne's extract is boiled with dil. HNO_(3) before testing for halogens because

The Lassaigne's extract is boiled with dil. HNO_3 before testing for halogens because