marlene2503 marlene2503
  • 16-03-2015
  • Chemistry
Answered

When silver coins are found in ancient shipwrecks,they are coated with a black crust. What question could you ask to help you decide whether the silver underwent a chemical change or a physical change? Explain.



Answer :

Ematio
Ematio Ematio
  • 16-03-2015
It went under a physical change because it (1) changed color. (2) changed form.
Answer Link

Other Questions

Why did so many early pioneers choose the Conestoga wagon to take the west?
A softball pitcher throws a softball to a catcher behind home plate. The softball is 3 feet above the ground when it leaves the pitcher’s hand at a velocity of
which organization was responsible for electing the most important officials in the roman republic
who led the aztec empire when spanish landed in mexico
How did industrialization contribute to city growth?
Which political leader supported nullification, the idea that each state could decide which federal laws to obey?
Why did so many early pioneers choose the Conestoga wagon to take the west?
What is the meaning "Cause I laugh like I've got gold mines/ Diggin' in my own back yard
What is 4/3+3/2 as a mixed fraction
Which sentence uses a comparison correctly? A. Which is farthest, our house or Paulette's house? B. Which is farther, our house or Paulette's house? C. Which is