cause mottled enamel of teeth cause skeletal fluorosis prevent dental cavities and tooth decay in children cause dental caries

Answer Discuss in Comment

add taste to water protect children's teeth protect from both dental and skeletal fluorosis protect from dental fluorosis

Answer Discuss in Comment

chlorosis in plants eye irritation of swimmers corrosion incrustations in pipes

Answer Discuss in Comment

Sodium chloride Magnesium chloride Silver chloride Calcium chloride

Answer Discuss in Comment

will not get changed increases during the night time increases during the day time progressively increases with time

Answer Discuss in Comment

bicarbonate alkalinity half bicarbonate + full hydroxide alkalinity full hydroxide + half carbonate alkalinity full carbonate + half bicarbonate alkalinity

Answer Discuss in Comment

it renders chlorination less effective it corrodes zinc, copper and lead pipes it induces sour taste it promotes growth of iron and sulphur bacteria

Answer Discuss in Comment

Hardy cross method equivalent pipe method circle method electrical analysis method

Answer Discuss in Comment

less than 1.0 m/sec 1 .5 m/sec to 2.0 m/sec 3.0 m/sec to 3.5 m/sec 1.0 to 1.2 m/sec

Answer Discuss in Comment

percentage of suspended solids by weight to percentage of sludge by volume percentage of sludge by volume to percentage of total solids by weight percentage of sludge by volume to percentage of suspended solids by weight percentage of total solids by weight to percentage of sludge by volume

Answer Discuss in Comment