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