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Surface Chemistry — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistrySurface Chemistry1 Mark
MCQ
Carbon dust in air is solidified by ………..
  • ✓
    cottrell’s precipitator
  • B
    colloidal mill
  • C
    Bredig’s arc
  • D
    peptisation
✓

Answer

Correct option: A.
cottrell’s precipitator
cottrell’s precipitator

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