Chemical Engineering
Q Main constituents of Portland cement are calcium aluminate and__________________?
  • A A. Gypsum
  • B B. Silicates
  • C C. Sodium silicate
  • D D. Carbonates
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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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