Question

Burning of fuel is a ___________ chemical change, whereas rusting of iron is a ___________ chemical change.
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Answer 1

Answer:

Burning of fuel is a ______irreversible_____ chemical change, whereas rusting of iron is a _______physical____ chemical change.

Explanation:

Lustre of iron can be brought back by rubbing it with sand paper hence it is a physical change

whereas burning a fuel is irreversible

hope it helps u

Answer 2

Explanation:

Burning of fuel is a irrversible chemical change, whereas ruting of iron is a Physical chemical change.