taylorraintilt taylorraintilt

25-01-2021
Physics

contestada

What has occurred when metal changes color because of tarnishing?

a chemical change

a physical change

a gain in mass

a loss of mass

Respuesta :

Coreygreen05 Coreygreen05

26-01-2021

I believe the answer is A

Answer Link

rihannaw309 rihannaw309

03-02-2021

Answer is: A chemical change occured when a metal changed color because it reacted with another substance. In chemical change new substances are formed, the atoms are rearranged and the reaction is followed by an energy change

Answer Link

Otras preguntas

hi good day can you tell me what are all of the steps to prevent tooth decay

The chemical or mechanical process by which rock is gradually broken down eventually becoming soil

which one of the following voltages should never be measured directly with a VOM? A. 1200 V B. 500 V C. 800 V D. 100V

how does electronegativity changes as we move from left to right across a period

A key part of the mayflower compact was the colonist

Give an example of a collision in real life. Use the law of conservation of energy to describe the transfer of momentum. Be sure and discuss the momentum before

Who wrote the devil and tom walker

How did the pravda make stalin look good?

Using direct characterization, describe a character who experiences a moral dilemma.

what happened to Charles 1