It turns out that a hot solution of alum (ammonium aluminum sulfate), which is available in the spice rack of your local supermarket, will dissolve the steel drill bit without reacting with the brass.
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Onlymyhealth on MSNRed Alum: The Secret Ingredient For Skin Care, Learn Benefits And Ways To UseRed alum, an age-old remedy with multiple uses, has been a trusted ingredient in skincare for generations. Known for its ...
If it was a little tricky to tell the difference between salt and alum in the dissolving test, give the construction paper test a try. Place a cotton swab in each solution. On the construction paper ...
When someone flushes a toilet in New York City, that wastewater enters a vast 7,400-mile network of pipes, passing though 96 wastewater pump stations and ultimately ending up at one of 14 wastewater ...
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