Subject:
ScienceAuthor:
wayneklineCreated:
1 year agoAnswer:
So, the melting of wax and vapourisation of melted wax are physical changes. Chemical Changes : The wax near flame burns and gives new substances like carbon dioxide, carbon soot, water vapour, heat and light. LPG is another example of a familiar process in which both the chemical and physical changes take place.
Author:
rolexstuart
Rate an answer:
2Author:
eddiec4yo
Rate an answer:
7