Read the following short write-up and answr the questions at the end of it The name 'silica' covers an entire group of minerals, which have the general formula SiO_(2), the most common of which is quartz. Quartz is a framworksilicate with SiO_(4) tetrahdera arranged in spirals. the spirals can turnin a clockwise or anticlockwise direction-a feature that results in there being two mirror images, optically active, varieties of quartz. Si_(3)O_(9)^(6-) (having three tetrahderal) is represent as :

Read the following short write-up and answr the questions at the end o

1.	Read the following short write-up and answr the questions at the end of it The name 'silica' covers an entire group of minerals, which have the general formula SiO_(2), the most common of which is quartz. Quartz is a framworksilicate with SiO_(4) tetrahdera arranged in spirals. the spirals can turnin a clockwise or anticlockwise direction-a feature that results in there being two mirror images, optically active, varieties of quartz. Si_(3)O_(9)^(6-) (having three tetrahderal) is represent as :
Answer» both none Answer :A