Q. 133.9( 7 Votes )

Boojho’s sister broke a white dove, a symbol of peace, made of plaster of paris (POP). Boojho tried to reconstruct the toy by making a powder of the broken pieces and then making a paste by mixing water. Will he be successful in his effort? Justify your answer.

Answer :

No, he will not be successful in his effort. When a toy is made from plaster of Paris, the POP hardens because of formation of new chemical structures, that is a chemical change, which cannot be reversed. The properties of the original pop change and hence it cannot be brought back to its original form. Therefore, Boojho will not be able to fix the broken pieces back by using water and powder.

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