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Biology · BIOLOGICAL CLASSIFICATION

हिन्दी

Due to its gritty nature, diatomaceous earth is widely harvested for industrial applications. Which of the following is a commercial use of diatomaceous earth?

  1. Synthesis of nitrogenous fertilizers
  2. Production of methane gas from sewage sludge
  3. Culturing of antibiotic-producing fungi
  4. Polishing, and filtration of oils and syrups

Correct answer · Option 4

Polishing, and filtration of oils and syrups

Explanation

Being gritty, diatomaceous earth soil is used in polishing, filtration of oils, and filtration of syrups.
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