Al2O3 — definition?
Corundum, a crystalline aluminum oxide.
Cryolite — role?
Flux in aluminum electrolysis.
MgAl2O4 — use?
Jewelry and durable gemstones.
Beryl — composition?
Aluminum beryllium silicate mineral.
Corundum — hardness?
9 on Mohs scale.
Spinel — chemical formula?
MgAl2O4.
Beryl varieties?
Emerald and aquamarine.
Al(OH)3 — application?
Antacids and fire retardants.
AlCl3 — function?
Catalyst in organic reactions.
Boric acid — use?
Disinfectant and antiseptic.
Borax — industrial role?
Flux, water softener, ceramic glaze.
Boron nitride — properties?
Extremely hard, thermally stable.
Corundum gemstone?
Sapphires and rubies.
Spinel — gemstone?
Vibrant, durable jewelry stone.
Beryl — industrial use?
Aerospace and electrical insulators.
Aluminum compounds — applications?
Abrasives, gemstones, catalysts, medicine.
Boron compounds — key?
Versatile in industry, medicine, energy.
Corundum vs spinel — difference?
Corundum is Al₂O₃; spinel is MgAl₂O₄.
Beryl — gemstone colors?
Green (emerald), blue-green (aquamarine).
Aluminum hydroxide — medical?
Treats indigestion, diarrhea.
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1. What is corundum primarily classified as?
2. What is the chemical formula of boric acid, a boron compound used as an antiseptic and in disinfectants?
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