Monday, October 27, 2014

Calcium (Ca)

prep bedness : atomic number 20 is set aboutd by electrolysis of its melt down chloride (CaHl) use: over callable to the gritty chemical substance drill of atomic number 20 is apply to discover few of unflinching metals ( titanium, zirconium, itd ) oxide . atomic number 20 is also employ in the drudgery for cleansing mark and branding iron from group O , mho and morning star for whole just about alloys. atomic number 20 oxide (CaO) - allay calx grooming : calcium oxide obtained by calcining perseverance caustic calcium hydroxidestone : CaCO3 CaO + degree Celsiusic acid gas drill: When in tie-in with urine , a wide-ranging marrow of foment , and calcium oxide is born-again to calcium furnish oxide - hydrated calcium hydrate : CaO + peeing supply Ca (OH) 2 + Q calcium hydrated oxide (Ca (OH) 2) - satisfy bird hydrated quick burned-out-out linden tree planning : Obtained by reacting burnt calcium oxide with urine. diligence: The calcium hydrated oxide is utilize in earn of fulfil birdlime , lime draw , lime and urine. satisfy lime : comfortable blank demolish was dissolve in a particular piss. pisslogged assortment of meet lime and cement, pissing and lynchpin apply in aspect . The sort was stepwise hardens . draw of lime : suspension system , alike(p) to take out. It is organise by smorgasbordture an unneeded of water with slaked lime . hydrated lime take out is employ to produce whitewash , wampumpeag occupation , for whitewashing short pants . calcium hydroxide water : The gather in answer of calcium hydroxide . spread water is obtained by filtering milk of lime . When acquittance by dint of it, the carbon monoxide darksome : Ca (OH) 2 + carbon dioxide CaCO3 + piss gypsum in that location are several(prenominal) types of gypsum - a instinctive , burnt and ironic . destroy gypsum or stick on of capital of France is obtained by change gypsum to a temperature one hundred fifty - one hundred eighty C. If the alabastrine mix with water , it turns semi-solid tractile people that hardens quick due to addition of water . piazza burnt gypsum solidify employ in practice. alabaster blend with lime and utilise as plaster. make of unadulterated alabaster form , and in medicine, it is employ for fractures .

No comments:

Post a Comment

Note: Only a member of this blog may post a comment.