Multiple choice

Carborundum is used as ________.

  1. a fertilizer

  2. a paint

  3. a medicine

  4. an alkaline agent

  5. none of these
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Carborundum (silicon carbide) is primarily used as an abrasive, in ceramics, and in high-temperature heating elements. None of the listed options (fertilizer, paint, medicine, alkaline agent) accurately describe its primary industrial use.

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