IDNLearn.com: Your destination for reliable and timely answers to any question. Explore a wide array of topics and find reliable answers from our experienced community members.
Answer:
Calcium Compunds-The fluoride,CaF²,is important to the production of hydrofluoric acid,Wich is made from CaF² by the action of sulfuric acids.CaF² us used laboratory instruments as a window material both infrared and ultraviolet radiation.