Compare the following for smell , acidity and colour.
a) Tap Water
b) Pond Water
c) River Water
d) Well Water
e) Lake Water
| smell | acidity | color | |
| Tap Water | Metallic if water system has high mineral concentration and may vary depending upon the type of impurity in it.Like organic matter or may have a smell of disinfactant(chlorine) | pH varies from town to town and cities to city(approx 6.5 -7.5) | Clear if impurity is absent . else a color of impurity like minerals make it brownish in color . |
| Pond Water | algae or swampy for small ponds Fresh water smell /grassy for large ones |
pH is close to 7.4 | blue/green |
| River Water | fresh water smell | 7-7.5 | Blue |
| Well Water | Mineral smell/ sometimes contains H2S and thus rotten egg smell | 6.5 and above | brown |
| Lake Water | smell of lake weeds | approx 7.1 | Green |