Select two reversible changes., burning, dissolving, freezing, cooking, What does this show?, A reversible change, An irreversible change, A physical change is usually irreversible, like boiling water, True, False, Reversible changes mean the materials can be returned to their original state, True, False, Cooking an egg is a reversible change, True, False.

Reversible changes

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恢復自動保存: ?