Guess if the sample 1 and 2 belong to the same substance. Pay attention to their properties shown bellow:
Properties
Escribe un comentario con tu respuesta. No olvides decir por qué has llegado a esa conclusión.
Fuente: Editorial Oxford
Copyright 2009 FUNFAIR . All rights reserved. Blogger Templates created by Deluxe Templates. Design by BFT
1 comments:
Nobody knows the answer? I can´t believe it. Come on!
Post a Comment