厨房里发生的下列变化中，不属于化学变化的是（　　）

I was invited to attend the meeting but I didn’t make it.      

                                                                                                                溪桥晚兴
                                                                                                                   郑协①
                                                                                         寂寞亭基野渡边，春流平岸草芊芊②。
                                                                                         一川晚照人闲立，满袖杨花听杜鹃。
                                                                                注：①郑协：南宋移民。②芊芊：草木茂盛。