Question

I have metallic lustre and I am used as an ore for sulphur

Answer 1

Hey
I think the answer must be FeSO4 (frrrous sulphate) as it is extracted from earth.

Hope it helps #))

Answer 2

The compound mentioned here is ferrous sulphate which has metallic luster due to the presence of iron and used as a source of sulphur.

Explanation:

• Ferrous sulphate is a compound found in nature in different hydrated forms of turquoise or blue-green which is crystal solid and odorless compound.
• It is used as an essential mineral source for humans which is used against iron deficiency.
• On heating, it gets transformed into ferric oxide by releasing sulphur dioxide.

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