The reagent used in the determination of the chemical oxygen demand $(COD)$ of a water sample is
- Apotassium permanganate
- Bsulphuric acid
- Cacidified potassium dichromate
- Dpotassium dichromate
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Similar Questions
Which of the given statements are correct, when carboxyhaemoglobin reaches $3-4 \%$ in blood?
$(I)$ Leads to headache
$(II)$ Results in cardiovascular problems
$(III)$ Increases the body temperature
$(IV)$ Leads to diarrhoea
$(I)$ Leads to headache
$(II)$ Results in cardiovascular problems
$(III)$ Increases the body temperature
$(IV)$ Leads to diarrhoea
Which among the following statements is $NOT$ true according to the principles of green chemistry?
The living organisms or the surroundings of the earth's composition are known as .....
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View SolutionHave you ever observed any water pollution in your area? What measures would you suggest to control it?
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View SolutionWhich of the following is not a component of photochemical smog?
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