eagm eagm
  • 03-07-2017
  • Chemistry
contestada

que cambios son fisicos y cuales son quimicos??
a) quemar papel
b) limpiar objetos de plata
c) hacer hielo en el congelador
d) fundir hierro

Respuesta :

haywil27
haywil27 haywil27
  • 03-07-2017
A, b, y c son cambios físicos. D es un cambio químico.
Answer Link

Otras preguntas

Many cities have to deal with icy roads during the winter. To fix the problem, city workers pour salt onto the roads. Which rule about the physical world are th
Why does Ponyboy go into the burning church to save the kids? a. He doesn't want to go to jail. b. He feels guilty. c. He is worried about the kids. d. He like
Solve i=Prt for t, if i=105, P=700, and r=0.05
In the BOREAS study, scientists are trying to determine if a large amount of carbon is being taken in by what biome?a. rainforestb. tundraC. boreal forestd. des
Kyle has an aquarium in the shape of a rectangular prism. The aquarium is 24 inches long and 10 inches wide. The volume of the aquarium is 2,880 cubic inches. H
Please help!! What is the lateral area of the prism?
What kinds of data do surface weather maps provide
How did the spartans educate there children?
What kinds of data do surface weather maps provide
why was Germany trying to involve this country into going to war against the U.S.?