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H2O
NH4 Cl
SO3
SO2
Mass number is the sum of
Max. permissible concentration of copper in drinking water in mg/L is
Max. permissible concentration of total hardness in drinking water is
Maximum permissible concentration of copper in drinking water in mg/L is -
Mention the source of Liver, milk, egg yolk, fish liver oil?
Mercury poisoning in man causes the disease
Mercury thermometers can be used to measure temperatures upto
Metabolism is referred to as
Metal tea pots have wooden handles as
Michael Faraday discovered