Use ammonia to remove tarnish from brass or silver

How can you put that sunny shine back in your varnished silver or lacquered brass? Gently scrub it with a soft brush dipped in a bit of ammonia. Wipe off any remaining liquid with a soft cloth – or preferably chamois.
Use ammonia to restore white shoes

Brighten up your dingy white shoes or tennis sneakers by rubbing them with a cloth dipped in half-strength ammonia – that is, a solution made of half ammonia and half water.
Use ammonia to remove stains from clothing

Ammonia is great for cleaning clothes. Here are some ways you can use it to remove a variety of stains. Be sure to dilute ammonia with at least 50 per cent water before applying it to silk, wool, or spandex.
Rub out perspiration, blood, and urine stains on clothing by dabbing the area with a half-strength solution of ammonia and water before laundering.
Remove most non-oily stains by making a mixture of equal parts ammonia, water, and dishwashing liquid. Put it in an empty spray bottle, shake well, and apply directly to the stain. Let it set for two or three minutes, and then rinse out.
To erase pencil marks from clothing, use a few drops of undiluted ammonia and then rinse. If that doesn’t work, put a little laundry detergent on the stain and rinse again.
You can even remove washed-in paint stains from clothes by saturating them several times with a half-ammonia, half-turpentine solution and then tossing them into the wash.