Question

Iron filings and sulphur powder are mired together and heated till this mixture become red hot. After this about 2 ml of dilute H2SO4 is added to this and a gas is evolved. Which of the following statements is true!
This gas evolved is H and it is non-combustible
The gas evolved is O and it is colourless
The gas evolved Is H2S and it smells like rotten eggs
The gas evolved as SO2 and it is odourless​

Answer 1

Answer:

please mark me as brainly and please follow me