Multiple choice

Bone ash belongs to _________.

  1. Calcium phosphate

  2. Potassium ammonium hydrogen phosphate

  3. Calcium ammonium nitrate

  4. 2 and 3 correct

  5. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This option is correct because the CaO (basic flux) which reacts with P2O5 to give calcium phosphate is called bone ash.