Question

how would you describe whether a changes physical or chemical? mention two characteristics of each kind

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Answer 1

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A new substance is produced in a chemical change by the rearrangement of atoms but physical changes mainly include change of state,reversible changes etc.New substances are produced in chemical changes while substance remains same in physical change in terms of molecular arrangement and hello.

Answer 2

Answer:

a new substance is produced in a chemical change by the rearrangement of atoms but physical changes mainly include change of state,reversible changes etc. ... new substances are produced in chemical changes while substance remains same in physical change in terms of molecular arrangement and hello.