Which of the following most likely happens during a physical change?

A) An irreversible process takes place.

B) Substance changes its form but not its molecular composition. ( I Think Maybe It's This One)

C) New atoms are introduced in the molecules of the substance.

D) A substance reacts differently with a chemical before and after the change.


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Which of the following represents a chemical change?

A) Souring of milk (Maybe This One?)

B) Melting of chocolate

C) Condensation of water

D) Breaking of an egg shell