Diatomaceous earth is used as a heat insulato | vedclass

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(B) Diatoms have cell walls that are embedded with silica,forming a hard,indestructible shell known as a frustule.These cell walls are composed of sil

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is made of silicon dioxide

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(B) Diatoms have cell walls that are embedded with silica,forming a hard,indestructible shell known as a frustule.These cell walls are composed of silicon dioxide $(SiO_2)$.Because of this siliceous nature,diatomaceous earth is chemically inert and highly resistant to heat,making it an excellent heat insulator for industrial applications like boilers and steam pipes.

Diatomaceous earth is used as a heat insulator in boilers and steam pipes because the cell wall of diatoms-

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