Chemical Engineering
Q Which is the most efficient absorbent for SO3 out of the following ?
  • A A. 20% oleum
  • B B. 65% oleum
  • C C. 78% h2so4
  • D D. 98% h2so4
Previous DDT should not be allowed to come in contact with iron …
Next Calcination of gypsum produces__________________?
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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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