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.
NCERT Class VIII
Science - Exemplar Problems
Chapter 6. Combustion and Flame
Answers
Answered by
69
(c) improper combustion of the fuel.........................Is the answer
Answered by
32
The answer is: (a) proper combustion of the fuel.
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