???? ?????

???? ??????	?????? ??????
???? ????	Ca C O 3
????	???? ?? ?????? ?????
???? CAS	471-34-1
??????	2.7 ×10 3 ???/??"?
??????	0.0013 ??? ?-100 ??? ???
???????? ?????	1,339 °C 1612.15 K
???? ?????	1.6
???????	9
LD50	6,450 ??????? ????????

???? ????? (???????: ?????? ?????? , Calcium carbonate ), ????? ?? ??? ???? ? ???? - ??? , ? ?????? ?????? ??? CaCO ₃ . ???? ? ????? ?????? ????? ? ???? ???? .

??????? ???? [ ????? ??? ???? | ????? ]

????? ?????? ??? ????? ????? ? ??? ?? ??? ???? ???? ?????? ????? ????????????? . ?????? ?? ???? ?????????? ?????? ?????? ?????? ???? ??? ? ????? (?????? ????? ?? ??? ???? ). ????? ?????? ??? ??? ?????????? ??????? ????? ???, ??????? ??????, ??? ?????????? ??????? ??????? ??? ???? ????? ??????, ?????????????? ??????? ????????? ??? ?????? ????? ??????? ??? ???? ????? ????? ?????? ?????? ?????? . ?????? ??????????? ??? ???? ???? ???? ?????? ?? ? ?????? ?????? ?????? ??? ??? ???? ???? ? ????? ??? ????? ?????. ?????? ????? ????? ????? ?????? ??? ??? ????? ? ?????? ????? ????? ??????? .

???? ????? ???????? - ??? , ?????? ? ??????? (???? ????? ?? ???? ????? ? ??????? ?????) - ?????? ? ???? ??? ?????? ?? ????? ???? ??????? ??????? ?????? ? ??? ????? ??????? ????? ???? ????. ??? ???? ???? ???????? ?? ????? ?????? ??? ? ??? , ????? ?????? ? ????? ?? ???? ???? ?????? ?? ??? ? ??? .

?????? [ ????? ??? ???? | ????? ]

????? ???? ? ???????? , ?????? ?? ?????? ????? ????? ?????? ????? ???? ??-????? , ????? ?????? ?????? ?? ??????? ??????, ?? ???? ????? ??? ??? ?? ????? ???? ????? :

${\displaystyle {\ce {CaCO3{(s)}+ 2HCl{(aq)}-> CaCl2{(aq)}+ H2O{(l)}+CO2{(g)}}}}$

?????? (???? ?-840 ????? ??????) ??? ????? ????? ??-????? (CO ₂ ) ???????? ????? (CaO). ?????? ?? ??? ???? ???? ???? ?? ???? ??-????? ?????, ??? ???? ????????? ?????, ???? ???? ????: ${\displaystyle {\ce {CaCO3{}+ CO2{}+ H2O{}-> Ca(HCO3)2}}}$. ????? ?? ??? ??????? ?????? ?? ???? ????? ??????? ?? ????? , ??? ??? ?????? ?????????? ?? ??? ???? .

??????? [ ????? ??? ???? | ????? ]

????? ?????? ????? ???? ? ?????? ?????? , ??? ????? ????? ???? ???? (???) ???? ???? ??????? ????? ??? ? ???? . ????? ???? ??? ?????? ?????? ????????? ?????? ?????? ????? . ??? ??, ???? ?????? ?? ???? ?????, ?????? , ????? ????? ??? ???? " ??? " ??????? ??? ????? ?? ????? ??????? ????? ?????.

??????? ????? ????? [ ????? ??? ???? | ????? ]

?????? ? ???????? ??? ????? ? ( PPNB ) ???? ?????? ????? ????? ?????? ???? ????? ??????. ????? ??? ??? ?????? ????? ?? ???? ????? ?????? ??? ????? ????? ?? ????? ??????. ????? ?????? ???? ?????? ???? ??? ????????? ????? ???? ??? ??. ???? 1,500 ??? ?????? ????? ?????? ???? ?????? ???? ??? ?? ?????? ??????.

?????? ????? ????? ???? ????? ????? ??? ???? ?? ????? ????? ??: ????? , ?????? , ?????? , ????? , ??? ?'??? , ???'? ?? ??? ????? ?? ????? ???? ???.

??? ?? [ ????? ??? ???? | ????? ]

• ?'??
• ???? ????? ??????

??????? ???????? [ ????? ??? ???? | ????? ]

???? ?????? ????? ???? ????? ? ??????????