Engineering
Chemistry
Silicones silicates and Structures New
Question
Silica dissolves in NaOH solution to form :
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Solution
Silica is almost non - reactive due to the presence of very strong Si - C bonds. They are unaffected by dihydrogen, halogen and acids except HF and NaOH to form SiF4 and Na2SiO3 respectively. The reaction is as follow :
SiO2 + 2NaOH → Na2SiO3 + H2O
