For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of Options: A . &nbspH₂SO₄ B . &nbspHNO₃ C . &nbspHCl D . &nbspNone of these

For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the p

Question

For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of

Options:

A . H₂SO₄

B . HNO₃

C . HCl

D . None of these

Answer: Option A

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