Answer:
electrons
Explanation:
A redox reaction is one in which oxidation and reduction takes place. in the sense of
oxidation being the loss of electrons and reduction the gain of electrons.
The answer is acetic acid
Zero error occur in every reading means that the measuring instrument needs to recalibrated and adjusted.
<h3>
What is Zero error?</h3>
This error occurs when a measuring instrument reflects a digit which isn't zero despite the real value being zero.
When this occurs, only the zero screw on the device should be adjusted so as to correct this technical error. This is why recalibration should be the most appropriate solution.
Read more about Zero error here brainly.com/question/4704005
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Because copper is too reactive xx