When coal burns it possess a change.

a) Which type of change is it? Give reasons in support
of your answer.
b) What is the reactant here?
c) Name the products

Asked by ayankumarbehera99 | 24th Jul, 2020, 03:27: PM

Expert Answer:

Burning of Coal is a chemical change.
Coal on burning in air evolves carbon dioxide, and the residue which remains is ash.
-Permanent change.
-Reactants are carbon and oxygen.
-New products formed are carbon dioxide and ash.
-Irreversible change as coal cannot be obtained back by cooling the products.

Answered by Ramandeep | 24th Jul, 2020, 06:44: PM