Question

76.
Ramesh
was
cooking
potato
curry
on
a
chulha
.
To
his
surprise
he
observed
that
the
copper
vessel
was
getting
blackened
from
outside
.
It
may
be
due
to
Section III Ge
(a) Proper combustion of fuel
(b) Improper cooking of potato curry
(c) Improper combustion of the fuel
(d) Burning of copper vessel​

Answer 1

Answer:

improper combustion of fuel

Explanation:

incomplete/improper combustion of fuel results in unburnt carbon particles/soot.therefore there is a black layer on the copper vessel from outside . hope this helps...let me know if it is wrong....