Lemons are highly acidic, which makes them a strong cleaning agent. Additionally, they provide a delightful and refreshing clean scent!
Simple and Effective Lemon Cleaning Mixtures
Formica Counter tops  
Baking soda and Lemon
Squeeze juice from a fresh lemon over the stain and let soak for 1/2 hour.
Sprinkle some baking soda over it and scrub with a soft washcloth, rinse, and wipe dry.
Clean the Microwave
1/4-cup baking soda
4 drops lemon juice
1 cup water
Cleaning the Sink
1/4-cup borax
1/4-cup baking soda
1/2-cup vinegar
4 drops lemon juice
Copper Cleaner
Sprinkle salt on the item and rub with a cut lemon.
Removing Rust
Sprinkle table salt liberally on the rust spot and squeeze the juice of a lemon over it. Let mixture sit for several hours, over night if needed, to draw the stain out.
Deodorize the Vacuum Bag
Add baking soda and lemon peel to bag.
  Polish and Condition Wood
Rub with equal parts lemon juice and vegetable oil.

Hand Cleaner
 

Mixtures to rub onto hands:
(1) Sugar and olive oil
(2) Lemon and sugar
(3) Lemon and oatmeal

Fabric Stains
Rub lemon juice on stain (test a sample of the fabric first). Lemon juice will "bleach" stains from linen and cotton.
Mildew
If, after washing smell persists, rub with lemon juice and expose to the sun. Wash again.
Cleaning glass
Add 4 tablespoons lemon juice to 1 gallon of water.