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Read the following message passage and answer the followed by is silicates are a group of minerals which havegeneral formula SiO_(2) the most common of which is quartz. Quartz is a frame work silicate with SiO_(4) tetrahydra arranged in spirals. The spirals can turn in clockwise or anticlork wise direction a feature that result in there being two mirror images optically active varities of quartz Si_(3)O_(10)^(8-)(having three tetrahedral units ) is representedas

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Both
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Solution :`[Si_(3)O_(10)^(8-)]` same formula of Both A and B to an exhibit same type of 3 TETRAHEDRAL units


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