1¡¢ÏÂÁÐÆøÌåÅÅÈë´óÆø£¬²»»áÔì³É¿ÕÆøÎÛȾµÄÊÇ£¨   £©

A. NO       B. SO₂      C.NO₂      D. N₂

2¡¢±ê×¼×´¿öÏ£¬ÏÂÁÐÎïÖÊÖÐÌå»ý×î´óµÄÊÇ£¨    £©

A. 48g O₂     B. 71gCl₂     C. 28¸öN₂     D. 100g H₂O

3¡¢ÄÜÕýÈ·±íʾÏÂÁл¯Ñ§·´Ó¦µÄÀë×Ó·½³ÌʽµÄÊÇ£¨    £©                          

A£®ÇâÑõ»¯±µÈÜÒºÓëÁòËáµÄ·´Ó¦     OH^-£«H⁺ £½ H₂O

B£®³ÎÇåµÄʯ»ÒË®ÓëÏ¡ÑÎËá·´Ó¦  Ca(OH)₂ + 2H⁺ = Ca²⁺ + 2H₂O

C£®Í­Æ¬²åÈëÏõËáÒøÈÜÒºÖР Cu + Ag⁺ = Cu²⁺ + Ag

D£®Ì¼Ëá¸ÆÈÜÓÚÏ¡ÑÎËáÖР  CaCO₃£«2H⁺£½Ca²⁺£«H₂O£«CO₂­