Cleaning off epoxy with acetone or alcohol before it is set is important to avoid unnecessary labor cleaning once hardened. Epoxy will also come off with a blade before it is 100% cured. After setting, epoxy is strong and is more resistant to removal should you leave excess and requires sanding along the glue line.
Redox - Memory aids. 1  The key terms involved in redox are often confusing.  2 OIL RIG â oxidation is loss of electrons, reduction is gain of electrons.  3 LEO the lion says GER â loss of electrons is oxidation, gain of electrons is reduction.
If two quantities are in direct proportion, as one increases, the other increases by the same percentage. If y is directly proportional to x, this can be written as y â x. A simple example of two things that are in the same proportion is the amount of apples you might buy and the amount you pay for them. If you buy twice as many apples as your friend, you pay twice as much. We can write the connection between the cost and the amount as an equation: