Lassaigne's test is used for the detection of which of the following?

In the Lassaigne's test,the Prussian blue precipitate is formed due to the formation of which compound?

For testing halogens in an organic compound with $AgNO_{3}$ solution,sodium extract (Lassaigne's test) is acidified with dilute $HNO_{3}$. What will happen if a student acidifies the extract with dilute $H_{2}SO_{4}$ in place of dilute $HNO_{3}$?

The volume of nitrogen is measured by which apparatus in the Dumas method?

In the detection of carbon and hydrogen,the organic compound is heated with which of the following?

During the detection of phosphorus in an organic compound,a yellow precipitate is formed due to the formation of: