Question

A reddish brown coloured gas having pungent suffocating smell. _________​

Answer 1

Answer:

Ferrous Sulphate is heated, it gives Ferric oxide, Sulfur dioxide, and Sulphur trioxide after Decomposition. It Produces Sulfur dioxide gas which gives Suffocating smell of burning Sulfur. We left with Reddish brown color residue after heating of Compound.

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Answer 2

Answer:

The answer is NO2

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