qual alternativa tem apenas substancias simples?
a)fe,o3 e h2o2
b)co,naoh e nacl
c)he,h2 e co
d)o2,n2 e ag
e)h2o2,h2o e nh3
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Lista de comentários


Helpful Social

Copyright © 2024 ELIBRARY.TIPS - All rights reserved.