Answer to Question #100388 in Inorganic Chemistry for yakber

Question #100388
Why aluminum hardly react with hydrochloric acid? and what is the purpose of mineral wool?
1
Expert's answer
2019-12-13T06:26:09-0500

Actually aluminium can react with hydrochloric acid, but with the diluted one. But it doesn't when the solution of this acid is concentrated.That happens because the piece of aluminium is protected by a layer of aluminium oxide, Al2O3.

 Mineral wool is perhaps the best known of the whole range of insulation types. It is widely used in all sectors of industry, transport and building for thermal, acoustic and fire-protection purposes.




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