Civil Engineering MCQs
Q For the COD test of sewage, organic matter is oxidised by K2Cr2O7 in the presence of________________?
  • A A. H2so4
  • B B. Hno3
  • C C. Hcl
  • D D. None of these
Previous In sewers the velocity of flow should not be___________…
Next The pH value of sewage is determined with the help of__…
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Word of the Day
26 Jul
Simultaneously
at the same time.
ایک ہی ΩˆΩ‚Ψͺ Ω…ΫŒΪΊΨŒ ایک Ψ³Ψ§Ψͺھ، بیک ΩˆΩ‚Ψͺ

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