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State whether the following is true or false.
Blending two clays can produce an alumina content higher than either of them.

  • A.False only at small scales
  • B.True
  • C.False
  • D.True only at large scales

Answer: C

A mixture is always a weighted average and therefore lies between the two values. Reaching beyond either requires a third material with a higher content than the target. Two components bracket the achievable range between them.

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