Chemical Engineering Refractory Technology
Q Highest melting (m.p = 3070°C) oxide refractory is__________________?
  • A A. Alumina
  • B B. Thoria
  • C C. Zirconia
  • D D. Magnesia
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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.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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