Consider the following pairs:
- Red vitriol→ Cobalt(II) sulphate heptahydrate
- Black vitriol→ Aluminium sulphate
- Vitriol of Mars→ Iron(III) sulphate
Which of the above is/are correct?
Black vitriol is a mixture of iron (II) sulphate and iron sulphide. Other two pairs are correct.
This question is a part of GKToday's Integrated IAS General Studies Module