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Uses of Silica
i) Quartz glass is used for manufacturing optical instruments. Under the trade name Vitreosil. ii) Colored quartz is used for manufacturing gem..
Uses of Silica
Uses of Silica - i) Quartz glass is used for manufacturing optical instruments. Under the trade name Vitreosil. ii) Colored quartz is used for manufacturing gems. iii) Sand is used in manufacture of glass, porcelain, sand paper and mortar etc. iv) Sand stone is used as a buildin..
Calgon process
Calgon is a trade name of a complex salt, sodium hexametaphosphate (NaPO 3 ) 6 . It is used for softening hard water. Calgon ionizes to give a complex anion: This results in the removal of calcium and magnesium ions from hard water in the form of a complex with Calgon. The ..
Calgon is a trade name of a complex salt, sodium hexametaphosphate (NaPO 3 ) 6 . It is used for softening hard water. Calgon ionizes to give a complex anion: This results in the removal of calcium and magnesium ions from hard water in the form of a complex with Calgon. The ..Glass
. This type-of glass (trade-name-Pyrex/corning/Borosil) can withstand sudden changes in temperature and is used for making laboratory glassware. Another route to glass formation is provided by the sol-gel process. Glass is not a true solid and has no definite melting point. It softens whe..
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