Physics · Environmental Engineering

While testing for Chemical Oxygen Demand (COD) of sewage, organic matter is oxidized by K2Cr2O7 in the presence of which acid?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1None of these
2H2SO4✓
3HNO3
4HCl

Correct answer

H2SO4

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While testing for Chemical Oxygen Demand (COD) of sewage, organic matter is oxidized by K2Cr2O7 in the presence of which acid?

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While testing for Chemical Oxygen Demand (COD) of sewage, organic matter is oxidized by K2Cr2O7 in the presence of which acid?

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