CBSE Class 11-science Answered
Pl answer
![question image](http://images.topperlearning.com/topper/new-ate/41665920200226082528.jpg)
Asked by jain.pradeep | 26 Feb, 2020, 10:00: AM
According to World health organisation(WHO), Fluoride concentration should be in between 0.5 to 1 PPM in drinking water, Fluoride concentration above 1PPM is harmful for teeth and bones.
Answered by Ravi | 26 Feb, 2020, 11:26: AM
Application Videos
Concept Videos
CBSE 11-science - Chemistry
Asked by shehnaz06par | 05 May, 2020, 13:16: PM
CBSE 11-science - Chemistry
Asked by sagarvinay352 | 01 May, 2020, 20:27: PM
CBSE 11-science - Chemistry
Asked by harshilmodi74.tl | 16 Apr, 2020, 11:20: AM
CBSE 11-science - Chemistry
Asked by veeravallisrinu2 | 13 Apr, 2020, 09:20: AM
CBSE 11-science - Chemistry
Asked by jain.pradeep | 26 Feb, 2020, 10:00: AM
CBSE 11-science - Chemistry
Asked by Shiprapandey2906 | 25 Jun, 2019, 17:24: PM
CBSE 11-science - Chemistry
Asked by govtsecschoolnayaganv051 | 04 Mar, 2019, 12:09: PM
CBSE 11-science - Chemistry
Asked by labheshvaidya | 30 Aug, 2018, 09:52: AM
CBSE 11-science - Chemistry
Asked by Topperlearning User | 17 Sep, 2014, 13:36: PM
CBSE 11-science - Chemistry
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM