Question

NCERT VIII - Sciences

Can the process of rusting be called combustion? Discuss.

Answer 1

No.it cannot be called as combustion because combustion is the process which involves absorption oxygen and evolution of heat.But no heat is evolved in the process of rusting.

Answer 2

no because.....:
1.since rusting needs both moisture and air i.e. H2o and O2
2. since there is no evolution of heat
3.in combustion only oxygen is needed...