Q.

When carbon is heated in the presence of oxygen, it results in the formation of carbon monoxide. Chemical equation for this reaction is  C+O2CO.

Rohan changed this equation  get the following equation,  2 C+O22 CO.

He has  fulfill the condition of

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a

law of conservation of mass

b

Dalton’s atomic theory

c

law of constant composition

d

law of multiple proportions

answer is D.

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Detailed Solution

.The law of conservation of mass states that in a chemical reaction mass is neither created nor destroyed.

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