3- Which one/ones are not correct about silicate ceramics? a) b) () OD d) e) In layered silicates the adjacent layers connect the structure to each other via strong forces. Silica can form crystalline structure such as tridymite. Silica is a polymorphic material with different crystal structure. Silicates are materials that are made primarily from silicone and oxygene. Glass is one of the crystalline materials that are made from silica.

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