Multiple choice

Sodium borax is obtained by which of the following processes?

  1. Boiling finely powdered colemanite ore with sodium carbonate

  2. Dissolving finely powdered colemanite in boiling water and subsequently passing SO2 gas

  3. Direlty fusing boron with NaOH

  4. Reduction of potassium tetrafluoroborate by aluminium

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This option is correct because the finely powdered colemanite ore is usually boiled with sodium carbonate to obtain sodium borax and sodium metaborate.

Keep practicing — related questions