"Diatomaceous earth" (Kieselguhr) is ........ | vedclass

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(A) Diatoms have cell walls that form two thin overlapping shells, which fit together like a soap box. These cell walls are embedded with silica and t

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$A$ siliceous deposit of diatoms.

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(A) Diatoms have cell walls that form two thin overlapping shells, which fit together like a soap box. These cell walls are embedded with silica and thus the walls are indestructible. Over billions of years, diatoms have left behind large amounts of cell wall deposits in their habitat; this accumulation is referred to as "diatomaceous earth" or "Kieselguhr". Because of its gritty nature, this soil is used in polishing, filtration of oils and syrups.

"Diatomaceous earth" (Kieselguhr) is .............

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