CHEMICAL ENGINEERING
Q Main pollutants released from petroleum refineries is__________________?
  • A A. Co, so2 & h2s
  • B B. Co2, no & so3
  • C C. Co2, h2s & no2
  • D D. So3, no2 & co2
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
Ψ·ΩˆΫŒΩ„ ΨͺΩ†Ϊ― Ψ±Ψ§Ψ³Ψͺہ، Ω†Ψ΄Ψͺوں Ϊ©Ϋ’ Ψ―Ψ±Ω…ΫŒΨ§Ω† Ψ±Ψ§Ψ³Ψͺہ

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