Question

give reason lemon is used for restoring the shine of tarnished Cooper decorations

Answer 1

because lemon is acidic in acidic when react with any substance and where is it me form salt and water and you know that when salt and base is again reacted it is the best laptop for shining of tarnished cooper decoration

Answer 2

When copper react with oxygen copper oxide is form again it react with carbon dioxide copper carbonate form it is salt when lemon is rub on it easily get away from copper vessel and the vessel again shine