Kaolin is a/an _____________________?
Correct answer: D. Refractory material
- A. Blue pigment
- B. Synthetic resin
- C. Artificial abrasive
- D. Refractory material
Explanation
Kaolin is a clay mineral, mainly hydrated aluminium silicate, and is widely used in refractory products because it withstands high temperatures. It is not a resin, abrasive, or blue pigment.
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