Practice question

Which absorbent material is INAPPROPRIATE for picking up a hydrofluoric acid spill?

  1. A commercial calcium-based absorbent designed for HF
  2. Standard cellulose 'kitty litter'-style absorbent
  3. Silica- or quartz-based absorbent
  4. A neutralizer specifically labeled for hydrofluoric acid

Answer: C — Silica- or quartz-based absorbent

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