Baking Powder has baking SODA in it and they both are used for baking. You can substitute baking POWDER in place of baking SODA (you'll need more baking powder and it may affect the taste), but you can't use baking soda when a recipe calls for baking powder.
✤ Detergent booster - Sprinkle some baking powder into the washing machine or dishwasher with the detergent to boost the cleaning power.
✤ Counter cleaner - Dust your counter-top with powder and wipe clean for a more natural cleaner in the kitchen.
✤ Grease Killer - Sprinkle a little baking powder on the greasy spot of your clothing, shake off extra powder and brush off the rest once the grease is soaked up by the powder. Wash as usual.
✤ Teeth Whitening - Small cup of powder and dip your brush in it, then brush for 1-2 minutes while it foams up. Rinse your mouth out well afterwards. .