Question:

Which White ware has highest firing temperature?

Show Hint

Among common whitewares, porcelain is fired at the highest temperature because it requires high vitrification.
  • Earthen ware
  • Porcelain
  • Stone ware
  • Terracotta
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The Correct Option is B

Solution and Explanation

Concept: Whitewares are ceramic products made from white burning clays and other raw materials. Their firing temperatures depend on their degree of vitrification.

Step 1:
Earthenware and terracotta are usually fired at comparatively lower temperatures.

Step 2:
Stoneware is fired at a higher temperature than earthenware, but it is generally lower than porcelain.

Step 3:
Porcelain is a highly vitrified whiteware product.

Step 4:
It requires high temperature firing to develop:
• high strength,
• translucency,
• low water absorption,
• dense body.

Step 5:
Hence, among the given whitewares, porcelain has the highest firing temperature. Therefore, the correct answer is: \[ \boxed{\text{Porcelain}} \]
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