Question

2 gm of FESO4 crystals are heated in a dry boiling tube
a)list any two observations
b)name the type of chemical reaction
c)write chemical equation

Answer 1

HEYA MATE YOUR ANSWER IS

¶ On heating it looses water molecules and becomes anhydrous ferrous sulphate.

¶ Colour changes from light green to white. Ferrous sulphate crystals which are in green colour decomposes to give Ferric oxide, sulphur dioxide and sulphur trioxide gas.

¶ Irriversible chemical reaction

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Answer 2

Hello!

Answer :

1. The two observations on heating ferrous sulphate are
2. •The colour of the compound changes to light green to white which on further heating changes to dark brown.
3. •A gas is emitted of a characteristic smell of sulphur
4. It is an example of decomposition reaction.
5. Fe₂So₄= Fe₂o₃+So₂+So₃

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