Question

17. Shyam 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
(a) proper combustion of fuel
(b) improper cooking of potato curry
(c) improper combustion of the fuel
(d) burning of copper vessel​

Answer 1

17. Shyam 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

(a) proper combustion of fuel

(b) improper cooking of potato curry

(c) improper combustion of the fuel

(d) burning of copper vessel

Answer

burning of copper vessel

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Answer 2

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....