Chemical Engineering
Q Main use of hydrazine is___________________?
  • A A. As a rocket fuel
  • B B. In water treatment
  • C C. As a disinfectant
  • D D. As fire retardant
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Next The function of gypsum addition during cement making is…
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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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