Related Questions

Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese.
Growth of __________ is promoted by the presence of manganese in water.
Iron and manganese present as pollutants in water cannot be removed by________
Presence of manganese in alloy steel improves its
Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes
Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes
Presence of excess flourine in water causes
Presence of soluble organics in polluted water causes
Presence of bacteria in potable (drinking) water causes
Presence of __________ bacteria in water causes disease like typhoid.