Which of the following is separated into elements by a chemical method?

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A compound is a substance composed of two or more elements chemically combined together in a fixed ratio. Therefore, a chemical method is required to break the bonds between the elements and separate them. Heterogeneous and homogeneous mixtures contain multiple substances which can be physically separated by methods such as filtration or distillation, but not chemically separated.

Which of the Following Is Separated into Elements by a Chemical