this is the observation
![this is the observation class=](https://us-static.z-dn.net/files/d48/39e46d256a83b852ade9f212d5407e99.jpg)
Answer:
When a white salt is heated, brown gas is released, the gas turns moist blue litmus paper, red.
When a green salt is heated, colourless gas released, the gas turns lime water chalky.
When a white salt is heated, residue is brown when hot and yellow when cold.
When a white salt is heated, Residue is yellow when hot and white when cold.
Explanation:
I hope it helps.
Sorry if I'm wrong.