Maximum permissible concentration of total hardness in drinking water is –

Related MCQs

• Maximum permissible concentration of copper in drinking water in mg/L is -
• Maximum permissible concentration of copper in drinking water in mg/L, is –
• Surface water is a better source of drinking water because it is poor in -
• Potassium Permanganate is used for purifying drinking water, because -
• Bleaching powder is used in drinking water as a/an –
• A gas used as a disinfectant in drinking water is -
• Potassium Permanganate is used for purifying drinking water, because                 .
• Permanent - hardness of water may be removed by addition of –
• Which method will be employed to test the hardness of water?
• Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of