This is a difficult task because zinc is much more active than copper and could hardly be passivated. ... The sur- face immediately turns white (the color of copper(I) iodide) and the yellow-brown color of iodine quickly fades. Rinse the coin with water, brighten it with polish and cloth and begin the whole process again.N
Answer:
Correct answer is B.
Explanation:
Took the test and got this right. :)
When it is acted upon by an outside force
I think kepler would be the one to best describe the motion of hte earth because he has a space telescope named after him
Answer:
2 is the valancy of alkine
