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

How can the rate of a reaction be increased? A increasing the temperature B decreasing the amount of reactants C having less surface area D having a lower conce

What is/are the effect(s) of the parallelism used in the above excerpt? Select all that apply. The survivors wanted to communicate everything to the living: the

stellar evolution is ____. the process of planetary formation the life cycle of a star how comets form

Which statement describes the effect that the Thirteenth Amendment had on American society

Help on # 1,2,3 please guys it would mean a lot

you have a large tank filled with 175 gallons of water the tank springs a leak and water is pouring out at rate of 5 gallons per minute write and graph a linear

How does the presence of a cavity containing fluid influence the amount of friction generated?

Train A leaves Westtown and travels at 50 mph toward Smithville, 330 miles away. At the same time, Train B leaves Smithville and travels at 60 mph toward Westto

Lord Baltimore was made the proprietor of Maryland by

what do people of a nation share as citizens