.Iron filings and sulphur powder are mixed 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 H2 and it is non combustible
The gas evolved is 02 and it is colourless
The gas evolved is H2S and it smells like rotten eggs
The gas evolved is SO2 and it is odourless
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.Iron filings and sulphur powder are mixed 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 H2 and it is non combustible
The gas evolved is 02 and it is colourless
The gas evolved is H2S and it smells like rotten eggs
The gas evolved is SO2 and it is odourless
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