Question

Explain an experiment to detect the presence of argemone oil in edible oil.

Answer 1

• Take about 5ml of cooking oil and ad equal amount of concentrated $HN{O}_3$ to it.
  
• Stir the solution using glass rod.
  
• If a reddish brown colour appears at the bottom of the test tube, then it confirms the presence of argemone oil in edible oil.