Chemical Engineering
Q Permanent hardness of water is due to the presence of calcium & magnesium __________________?
  • A A. Bi-carbonates
  • B B. Sulphates & chlorides
  • C C. Carbonate
  • D D. None of these
Previous Deaeration of water in its treatment is necessary, as i…
Next Glycerine can be obtained from ________________ ?
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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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