When clay is heated with X together, they fuse and react to form cement linker. What is X?
Lime
Bleaching powder
Plaster of Paris
None of these
As we have learnt,
Cement Clinker -
When clay and time are strongly heated together they fuse and react to form cement clinker.
Clay is mixed with 2-3% by weight of gypsum to form cement.
Hence, X is lime
Therefore, option(1) is correct.