Question

Name the substance which remains in a test tube after heating ferrous sulphate in detail.
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Answer 1

Answer:

Heating farrow sulfate in a test tube following reaction takes place

FeSO

4

.7H

2

O→FeSO

4

+7H

2

O

2FeSO

4

→Fe

2

O

3

+SO

2

+SO

3

Both SO

2

and SO

3

are gases that colorless and evolved out

Only Fe

2

O

3

that is ferric oxide which reddish brown in colour remained in the fort tube ,so the answer is Fe

2

O

3

that is ferric oxide