Q.

The fluoride concentration for prevention of dental caries is                          

A. 1mg/l
B. 2mg/l
C. 3mg/l
D. 4mg/l
Answer» A. 1mg/l
Explanation: dental caries occurs in children. it can be prevented when the
859
0
Do you find this helpful?
3

View all MCQs in

Water Supply Engineering

Discussion

No comments yet

Related MCQs