Question

When a green iron salt is heated strongly its colour finally changes to black and odor of burning sulphur is given out. 1. Name the iron salt 2. Name the type of reaction that takes place during heating of iron salt. 3. Write the balanced chemical equation for the reaction involved.

Answer 1

Look at the pic this will helps u

Answer 2

1)Fe2O3( Ferric oxide)
2)Decompostion reaction
3) CHEMICAL REACTION :
2FeSO4=>Fe2O3+SO2+SO3

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