ScienceCLASS 8CBSE
answered 28 Mar 2026Shyam was cooking potato curry on a chulha. To his surprise, he observed that the copper vessel was getting blackened from the outside. It may be due to: (a) proper combustion of fuel. (b) improper cooking of potato curry. (c) improper combustion of the fuel. burning of the copper vessel.
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- Soln:
Answer is (c) improper combustion of the fuel.
The copper vessel was blackened from outside because of the insufficiency of oxygen.