A water sample with hardness level of 1 meq/ L is classified as:: (A) Soft water, (B) Moderately hard water, (C) Hard water, (D) Very hard water
Answer is B. Classification Hardness level (meq/L) Soft water < 1 Moderately hard water 1-3 Hard water 3-6 Very hard water >6 Ref: Park 21st edition page: 672.