Question

what is ferrous sulphate​

Answer 1

Answer:

a pale green iron salt used in inks, tanning, water purification, and treating anaemia.

Answer 2

Answer:

Iron(II) sulfate or ferrous sulfate denotes a range of salts with the formula FeSO₄·xH₂O. These compounds exist most commonly as the heptahydrate but are known for several values of x. The hydrated form is used medically to treat iron deficiency, and also for industrial applications.