Page 3 - Changing of materials HA
P. 3

Melting of Wax









                                                                                             ➢ The burning of candle is an


                                                                                                  irreversible change as the

                                                                                                  burnt candle thread cannot be


                                                                                                  obtained.


                                                                                             ➢ While the melting of the wax

                                                                                                  is a reversible change as the


                                                                                                  shape of the wax can be

                                                                                                  obtained by heating it.
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