Tin-niobium alloy is used for producing superconducting magnets.
Tin salt known as a tin II chloride, it is used as a mordant and as a reducing agent for dyeing calico and silk.
  
It is used as a reducing agent while preparing metals like thorium and uranium. It is also used as an alloying agent for metals such as aluminum, copper & lead.
Calcium carbonate or lime stone is used in cement.
  
Industrial Uses
Automobile Industry, Chemical Industry, Food Industry