Chemical Engineering
Q DDT should not be allowed to come in contact with iron (during its manufacture) to _______________?
  • A A. Avoid its decomposition
  • B B. Prevent sulphonation of the monochlorobenzene by the acid catalyst
  • C C. Achieve non-hygroscopic property
  • D D. None of these
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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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