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Q: Copper slag can be used
  • A. For producing slag cement
  • B. For producing pozzolana cement
  • C. As performance improver in OPC
  • D. As set retarder
Correct Answer: Option A - Copper slag is one of the materials that is considered as a waste material which have a promising future in cement industry as partial substitute of cement. It is a by product obtain during the smelting and refining of copper.
A. Copper slag is one of the materials that is considered as a waste material which have a promising future in cement industry as partial substitute of cement. It is a by product obtain during the smelting and refining of copper.

Explanations:

Copper slag is one of the materials that is considered as a waste material which have a promising future in cement industry as partial substitute of cement. It is a by product obtain during the smelting and refining of copper.