Iron filings can be attracted by the magnet whereas salt can not. So the mixture can be separated by a magnet
About 7-8 years More. The real answer would be 7.14285714286
Answer:



Explanation:
Mass of dog = 



So,



Mass of the dog in the other units is
,
and
.
Explanation:
The given data is as follows.
Flow of chlorine (Q) = 
Amount of liter present per day is as follows.

It is given that dosage of chlorine will be as follows.
10 mg/l =
kg/l
Therefore, total chlorine requirement is as follows.
Total chlorine requirement =
kg/day
= 100 kg/day
Thus, we can conclude that the kilograms of chlorine used daily at the given water treatment plant is 100 kg/day.