Q. The hardness of water is estimated by
A) EDTA method
B) Titrimetic method
C) Conductivity method
D) Distillation method
Explanation
(a)
Ethylene diaminetetraacetic acid (EDTA) when treated with water, forms stable complex with metal ions and hence, remove hardness of water.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.