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Q: The temperature at which vitrification of low melting clay bricks occurs at a temperature of _____.
  • A. 300ºC-500ºC
  • B. 900ºC-1100ºC
  • C. 600ºC-800ºC
  • D. 1200ºC-1400ºC
Correct Answer: Option B - Vitrification–To convert the mass into glass like substance. The temperature ranges 900-1100ºC for low melting clay and 1000-1250ºC for high melting clay.
B. Vitrification–To convert the mass into glass like substance. The temperature ranges 900-1100ºC for low melting clay and 1000-1250ºC for high melting clay.

Explanations:

Vitrification–To convert the mass into glass like substance. The temperature ranges 900-1100ºC for low melting clay and 1000-1250ºC for high melting clay.