Question

A blue crystalline salt on heating leaves behind a black residue and gives out reddish brown fumes along with a colourless gas which rekindles a glowing splinter. Give a test to identify the cation and the anion to identify the anion present in the salt solution. Give a balanced equation for the test for cation

Answer 1

Answer:

ok but for that i have to see the book. plz mark me as brainliest

Explanation: