Question
What is the permissible concentration of residual chlorine present in drinking water in mg/L?
Solution
Typical levels of free chlorine or residual chlorine present in drinking water are 0.2 - 2.0 mg/L though levels can be as high as 5 mg/L.
More Chemistry GS Questions
- What happens to the boiling point of water at higher altitudes?
- NaCl has which kind of bonds?
- The chemical name of ______ is sodium hydrogen carbonate.
- Anions are formed through which process?
- Which gas is produced due to incomplete combustion of fuel?
- Water is a good solvent of ionic salts because -
- Which non-metal is an excellent conductor of electricity?
- The Polymerisation of which of the following is used in the manufacturing of polythene in industry?
- The process of gaining electrons is known as:
- Activated charcoal is used to remove colouring matter from pure substances by which of the following process?
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