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Swati Mishra from st. michael's convent school, asked a question
Subject: Science , asked on 19/9/11

What happen when Ferrous Sulphate crystals are heated???????????

  Also write a balanced equation for it

EXPERT ANSWER

prerna.bansal... , Meritnation Expert added an answer, on 20/9/11
1614 helpful votes in Science

Dear Student,

Ferrous sulphate is green in colour. On heating, the green crystals are converted into a dirty-yellow anhydrous solid as it loses water of crystallization. When further heated, the anhydrous material releases sulphur dioxide and sulphur trioxide leaving a reddish-brown iron oxide.

2 FeSO4 → Fe2O3 + SO2 + SO3

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Akshay Baweja From Jaspal Kaur Public School, added an answer, on 19/9/11
4 helpful votes in Science

FeSO4(s) ----------> Fe2O3(s) + SO2(g) + SO3(g) 

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