Explain the steps of sol-gel synthesis of silica gel. Differentiate between the structure and method of formation of xerogel and aerogel.
Sol–gel synthesis of silica gel is a wet chemical method widely used in nanoscience to produce nanostructured silica with high purity and controlled porosity. The process begins with the preparation of a sol by hydrolysis of a silica precursor such as _______ _______ _______ ____ __________ _________ _________ _________ ___ ___ _______.
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Explain the steps of sol-gel synthesis of silica gel. Differentiate between the structure and method of formation of xerogel and aerogel.
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