Chemical Engineering Refractory Technology
Q Quartz is___________________?
  • A A. Stable form of silica upto 870Β°c
  • B B. Converted to tridymite on firing between 870 to 1470Β°c
  • C C. Transformed to cristobalite on heating above 1470Β°c
  • D D. All a., b. and c.
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23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
Ψ·ΩˆΫŒΩ„ ΨͺΩ†Ϊ― Ψ±Ψ§Ψ³Ψͺہ، Ω†Ψ΄Ψͺوں Ϊ©Ϋ’ Ψ―Ψ±Ω…ΫŒΨ§Ω† Ψ±Ψ§Ψ³Ψͺہ

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