How would you decide a change is physical or chemical mention two characteristics of each kind of change
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if it is chemical then 2 substances are chemically combined and they cannot be separated by physical methods. a new substance is formed . they combine in fixed ratios.
it is the opposite for physical change
no fixed ratio
can be separated by physical methods
no definite ration
no new substance
tejurosh:
pls mark me as brainly as its absolutely correct.
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