ÌâÄ¿ÄÚÈÝ

ÓлúÎïA£¬Ë׳ÆË®ÑîËᣬÆä½á¹¹¼òʽΪ£º
ÒÑÖª£º
£¨1£©½«A¸úÏÂÁÐÎïÖʵÄÈÜÒº·´Ó¦¿ÉÒԵõ½Ò»ÖÖÄÆÑΣ¨Æä»¯Ñ§Ê½ÎªC7H5O3Na)ÊÇ
                 ¡£
A£®NaOH       B£®Na2CO3      C£®NaHCO3       D£®NaCl
£¨2£©Ë®ÑîËáµÄͬ·ÖÒì¹¹ÌåÖУ¬ÊôÓÚ·ÓÀ࣬ͬʱ»¹ÊôÓÚõ¥ÀàµÄ»¯ºÏÎïÓР    ÖÖ£¬Æä½á¹¹¼òʽ·Ö±ðΪ                                                      ¡£
£¨3£©Ë®ÑîËáµÄͬ·ÖÒì¹¹ÌåÖУ¬ÊôÓÚ·ÓÀ࣬µ«²»ÊôÓÚõ¥À࣬Ҳ²»ÊôÓÚôÈËáÀàµÄ»¯ºÏÎïÒ»¶¨º¬ÓР       »ù£¨Ìîд³ýÁËôÇ»ùÒÔÍâµÄ¹ÙÄÜÍÅÃû³Æ£©
£¨4£©Ë®ÑîËáÔÚËáÐÔÌõ¼þÏÂÓë·´Ó¦ºÏ³É°¢Ë¾Æ¥ÁÖ£¬Ôò°¢Ë¾Æ¥ÁֵĽṹΪ             ¡£¿ÉÒÔ¼ìÑ鰢˾ƥÁÖÑùÆ·ÖлìÓÐË®ÑîËáµÄÊÔ¼ÁÊÇ              ¡£
A.ÈýÂÈ»¯ÌúÈÜÒº        B.̼ËáÇâÄÆ        C.ʯÈïÊÔÒº

£¨9·Ö£©
¢Å c £¨1·Ö£©¢Æ 3              £¨4·Ö£©
¢Ç È©»ù£¨1·Ö£©   ¢È £¨2·Ö£©     A£¨1·Ö£©

½âÎö

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø