Question

Q.Radha was cooking food and the food spilled on the gas stove due to which the colour of the flame became yellow and the vessel got coated with a black substance. The black coloured substance formed is- *

a. Wax vapours
b. Unburnt carbon
c. Both coal and wax vapours
d. Coal

Answer 1

Answer:

c.both coal and wax vapour.....

Explanation:

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Answer 2

According to me the correct answer is
B . Unburnt carbon




The answer can’t be coal or coal and wax vapour. Because their formation take millions of years to be formed soo I don’t think soo it will be coal there

Hope my answer helps !!