Bhawana took a pale green substance A in a test tube and heated it over the flame of a burner. A brown coloured residue B was formed along with evolution of two gases with burning smell of sulphur. Identify A and B. Write the chemical reaction involved.
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4
a silicon
b silica. i think
b silica. i think
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the substance A is ferrous sulphate its colour is pale green . when we burn it
feso4 decomposes into ferric oxide and so2 and s03.
hence A= feso4
B= fe203
feso4 decomposes into ferric oxide and so2 and s03.
hence A= feso4
B= fe203
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