what do u mean by "free state" or "combined state" ???
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AS PER SCIENCE:
Free state
*when the element is in its pure form
*not reacted with environment
*having atoms of its own in the molecule
Combined state
*when the element is not in its pure form due to the reaction with environment
Thus,
it have different atoms also in the molecule
Free state
*when the element is in its pure form
*not reacted with environment
*having atoms of its own in the molecule
Combined state
*when the element is not in its pure form due to the reaction with environment
Thus,
it have different atoms also in the molecule
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