Q. Which of the following is used as a chelating agent in hydroponics?

A) EDTA
B) Iron
C) Nitrogen
D) Copper
Explanation

EDTA is used to chelate metal ions. It is ethyldiamenetetracetic acid

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.