Question

ÏÂÁÐÓйػ¯Ñ§ÓÃÓÕýÈ·µÄÊÇ

[     ]

A£®Ñõ»¯ÑÇÌúÈÜÓÚ×ãÁ¿µÄÏ¡ÏõËáÖУºFeO£«2H⁺ £½ Fe²⁺£«H₂O
B£®ÏòCa(HCO₃)₂ÈÜÒº¼ÓÉÙÁ¿ÇâÑõ»¯ÄÆÈÜÒº£ºCa²⁺£«2HCO₃^£­£«2OH^£­£½CaCO₃¡ý£«CO₃^2£­£«2H₂O
C£®ÉÙÁ¿CO₂ͨÈë±½·ÓÄÆÈÜÒºÖУºC₆H₅O^£­£«CO₂£«H₂O£½C₆H₅OH£«HCO₃^£­
D£®´×ËáÈÜÒºÓëË®¹¸ÖеÄCaCO₃·´Ó¦£ºCaCO₃£«2H⁺£½Ca²⁺£«H₂O£«CO₂¡ü

Answer 1

C