Use Goof Off , or if needs to be stronger, acetone or lacquer thinner. ( They work on different materials.)
To effectively clean copper bottom pots, mix equal parts of vinegar and salt to create a paste. Apply the paste to the copper surface and scrub gently with a sponge or cloth. Rinse thoroughly with water and dry with a soft towel to prevent water spots.
To clean copper bottom pots effectively, mix equal parts vinegar and salt to create a paste. Apply the paste to the copper bottom and let it sit for 10-15 minutes. Scrub the pot with a sponge or cloth, then rinse with warm water and dry thoroughly. Repeat if necessary for stubborn stains.
To effectively clean burnt copper bottom pots, mix equal parts vinegar and water in the pot and bring it to a boil. Let it cool, then scrub the burnt areas with a mixture of baking soda and water. Rinse thoroughly with water and dry the pot. Repeat if necessary.
As long as they are kept clean there is nothing wrong with old pots
To effectively clean adhesive off tiles, you can use a commercial adhesive remover or a mixture of warm water and vinegar. Apply the solution to the adhesive, let it sit for a few minutes, then scrub with a sponge or cloth. Rinse the area with clean water and dry it thoroughly. Repeat the process if necessary until the adhesive is completely removed.
Paint thinner or a product called "goof off" in the paint section at your hardware store.
If they are ceramic tiles and this is the adhesive used to bond them, instructions will be on the container.
To effectively clean copper bottom pots and pans, mix equal parts of vinegar and salt to create a paste. Apply the paste to the copper surface and scrub gently with a sponge or cloth. Rinse with water and dry thoroughly. Alternatively, you can use a commercial copper cleaner following the manufacturer's instructions. Regularly polishing with a mixture of lemon juice and baking soda can also help maintain the shine of copper cookware.
No, in fact it will clean many adhesives off surfaces.
Most real copper pots/pans will have a copper bottom. It will be a different color than the rest of the pot.
Soap, water & elbow grease.
There is now a company called Revere Ware. They began in copper bottom pots and pans and in recent years have branched out. Revere was a silversmith and worked in copper making pots and pans.