Grease on floors
To get grease marks off of your floor in front of your stove, sprinkle a little baking soda over the area, and mop as usual. The baking soda will cut through the grease while your mop water will clean up any excess baking soda without scratching the floor.
Hard water and rust stains
To clean your garbage disposal without chemicals, you can make a mixture of one half cup of baking soda and one cup of vinegar. Pouring this mixture into the garbage disposal and letting it sit until the next time you have to turn the disposal on will deodorize while it cleans.
Cleaning off hard water or rust stains in your sink, on your stove, or in your dishwasher is easiest using a half-cup of baking soda, and a bit of toothpaste. Using enough toothpaste to make a paste with the baking soda, use a clean cloth in a rubbing motion to get all sorts of stubborn stains off your most precious appliances.
You can clean your cooking ware by making a baking soda paste (thick) and rubbing it with a soft cloth to rid stains and colorings from foods. This works great if you have a cooking ware teapot or bake ware set as well.
You can get rid of rust stains on your stove or in certain types of metal pots by mixing a thick paste of baking soda and lemon juice. Rubbing this on the rusted area and rinsing with hot water will take the rust stain right out.