Question

when ferrous sulphate crystals are heated,the colour of the residue formed is:
(a) red (b) brown (c) orange (d) green

Answer 1

I suggest u an app which is free of cost . download beaker app from play store. through which u can mix elements and then it will react

Answer 2

Hey Mate .... Merry Christmas....
When ferrous sulphate crystals are heated then colour of the recidue form is Reddish brown.....
And this option is not available in your question...