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Electrons and Protons
Protons and Neutrons
Electrons and Neutrons
Only Protons
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
Microbial degradation of nitrates into atmospheric nitrogen is known as: