Cleaning laminate countertops: Cut a whole lemon in half, squeeze the juice onto the counter. Using the lemon as a scrubber, work the juice over the stains. Leave the juice on until the stains disappear then rinse with water and dry. The citric acid will quickly remove the stains. Bottled lemon juice can be substituted for a fresh lemon.
Cutting boards: The same procedure works on cutting boards. Rub the lemon onto the stains and let it sit until the stains are gone. The lemon will also disinfect the board at the same time.
Cleaning copper: Cut a lemon in half and sprinkle salt (any kind -- even sea salt) onto the lemon. Massage the lemon wedge onto the brass, squeezing the juice out until the tarnish is buffed off. As it stops working, add more salt to the lemon. Rinse well with water and let dry.Read More »from Try This: 8 Surprising Household Uses for Lemons