1¡¢Ä³Ö÷×åÔªËØÔ­×ÓµÄ×îÍâ²ãµç×ÓÊýÊÇ´ÎÍâ²ãµç×ÓÊýµÄ2±¶£¬Ôò¸ÃÔ­×ÓµÄÖÊ×ÓÊýÊÇ£¨     £©

A. 4            B. 5           C. 6           D. 8

2¡¢ÏÂÁл¯ºÏÎïÖмȺ¬ÓÐÀë×Ó¼üÓÖº¬ÓзǼ«ÐÔ¹²¼Û¼üµÄ»¯ºÏÎïÊÇ£¨     £©

A£®CaBr₂                          B£®NaOH         

C£®Na₂O₂                          D£®H₂O₂

3¡¢ÏÂÁз´Ó¦ÖмÈÊôÓÚÑõ»¯»¹Ô­·´Ó¦£¬ÓÖÊôÓÚÎüÈÈ·´Ó¦µÄÊÇ£¨     £©

A. ÂÁƬÓëÏ¡ÑÎËá·´Ó¦            

B. Ba(OH)₂·8H₂OÓëNH₄Cl·´Ó¦

C. ×ÆÈȵÄ̼ÓëCO₂·´Ó¦          

D. ¼×ÍéÔÚÑõÆøÖÐȼÉÕ

e="11.2" UnitName="l" w:st="on">11.2 LÒÒ´¼Ëùº¬µÄôÇ»ùÊýΪ0.5 N_A