Question

Write the chemical reaction where the following changes are observed :-
1) gas is evolved
2) colour change is noticed.​

Answer 1

Answer:

a burning of wood when we burn the wood it emit the carbon di oxide there are several example for example

when we burn the plastic it emit the poisnous gas

called carbon monoxide which causes air pollution when we burn plastics we did not get the plastic again so it is occur deu to chemical reaction in them

I hope you are better understajd