Pick from:
+Get a small bowl with a large water source and mix the lemon water and salt in the bowl. Mix until well-combined and lumps form.;
+Rub the lemon onto the copper's surface. For mildly tarnished jewelry, you can simply rub down the surface with the lemon.;
+Saturate the lemon with the salt, then wipe it off the copper. Then, follow up with a heavy-duty nail polish remover or a solution like iodine and acetone.;
+Be sure to drizzle all over the copper. Baking soda is great, but it tends to dry out and lose its " shine " sooner.;Choose from options above and answer: What most naturally follows?

How to polish copper
Sprinkle half a lemon with table salt.
Cut a lemon in half. Then, sprinkle half the lemon with a generous amount of salt.
Answer:
Rub the lemon onto the copper's surface. For mildly tarnished jewelry, you can simply rub down the surface with the lemon.