Ahmad weighed a paper and then he burnt it. He weighed the ash of the burnt paper and found out that the weight of the ash was less than the weight of the original paper. He thought that the law of conservation of mass is not correct? Is he right in thinking this? Support your answer with scientific reasons.
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no because many of the paper particles have burnt in the air
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No, Ahmad is wrong in thinking that the law of conservation is incorrect, this is because on burning the paper, a lot of its particles are converted into dark smoke, as well as the water content of the paper evaporates, due to which the mass of the paper and the ash is not the same.
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