https://www.geekmcq.com/
CSS Solved Papers
Physics Chemistry

Engineering :: Environmental Engineering

  The permissible level of HCN in drinking water is
[A]. Less than 0.01 mg/litre[B]. Around 1 mg/litre
[C]. Around 5 mg/litre[D]. Between 10 to 20 mg/litre
[E]. More than 50 mg/litre    

Answer: Option A
Write your comments here:
Name *:     Email:

© 2012-2024 by GeekMCQ™ Technologies. All Rights Reserved | Copyright | Terms of Use & Privacy Policy | Referals

Contact us: info@geekmcq.com