newmanms
newmanms newmanms
  • 02-05-2016
  • Chemistry
contestada

is zinc oxide a chemical or physical change when heated?

Respuesta :

lovelyduck lovelyduck
  • 02-05-2016
It is a physical change. I goes from white, to yellow, back to white.
Answer Link

Otras preguntas

What is the solution: (9x+2)(4x^2+35x-9)=0
Which characteristic is shared by sonnets and haiku?
If the length of each side of a square prism is ten feet. Find the total surface area of this object
in the xy-plane above, point c has coordinates (6,9). which of the follwoing is an equation of the line that contains points 0 and c?
Find the length of the radius of the following circle. (x + 2)2 + y2 = 10
List all the commonwealth games mascots from 1982-2014
simplify (1/x) + (1/(x+h)
'for a good cause if you are determined you are able to overcome any obstacle'. explain
Add these fractions (Lowest Terms) a) 1/6 + 1/6 b) 1/4 + 3/8 c) 2/3 + 5/6 d) 9/21 + 4/7 e) 1 3/5 + 1/10 f) 1 1/4 + 11/12 g) 1 2/3 + 2/3 h) 1 5/6 + 3 2/5
The statement, "right angles measure 90 degrees," is an example of: A postulate A definition A theorem A conjecture