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

if Marianne bought 10 pounds of of potting soil and her father tells her he needs 13 pounds of potting soil how much additional bags should he buy

What did factory owners do to prevent unions from forming? They paid off union leaders so they would stay away. They had union leaders arrested for no cause. Th

A difference between Commodore Perry's "Black Ships" and the Great White Fleet was that the "Black Ships" :

wich of the following events occurred Last? A. The Persian Wars begin B. Alexander the Great conquers persia C. The Peloponnesian War ends D. The Trojan War is

Find all the powers of 3 that are in the range 3 through 1000

In which of the following scenarios would the Board of Governors be most likely to intervene? (5 points) Economic data for the year are released and require ana

Which best describe the tenets of the Bush Doctrine of the early 2000s? multilateralism, Realpolitik multilateralism, idealism unilateralism, Realpolitik unilat

After World War II, the French colony of Indochina exploded into warfare as Ho Chi Minh and his followers battled for independence from France. Which of the fol

Wilson’s New Freedom worked to improve which of the following? A. public education B. international relations C. economic policy D. social welfare

The great cultural center of Timbuktu was part of which West African society? a. Ghana b. Benin c. Mali d. Songhai