ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÏÂÃæÊÇijͬѧËù×öµÄÓйعýÑõ»¯ÇâÔÚ²»Í¬Ìõ¼þÏ·ֽâµÄÑéÖ¤ÐÔʵÑé¡£
Ò»¡¢ÊµÑé²ÄÁϺÍÓþߣºÐÂÏʵÄÖÊÁ¿·ÖÊýΪ20%µÄ¸ÎÔàÑÐÄ¥Òº¡¢Ìå»ý·ÖÊýΪ3%µÄ¹ýÑõ»¯ÇâÈÜÒº¡¢ÖÊÁ¿·ÖÊýΪ3£®5%µÄFeCl3ÈÜÒº¡¢ÕôÁóË®¡¢¾Æ¾«µÆ¡¢Î¶ȼƵȡ£
¶þ¡¢ÊµÑé²½Öè
²½Öè | ÊԹܱàºÅ | |||
a | b | c | d | |
¼ÓÈëµ×Îï | 3%H2O2 2mL | 3%H2O2 2mL | 3%H2O2 2mL | 3%H2O2 2mL |
¿ØÖÆÎÂ¶È | ³£Î | ³£Î | ³£Î | ³£Î |
¼ÓÈëÊÔ¼Á | ÕôÁóË® 2µÎ | FeCl3ÈÜÒº 2µÎ | ¸ÎÔàÑÐÄ¥Òº 2µÎ | ÖóÊìµÄ¸ÎÔàÑÐÄ¥Òº 2µÎ |
¹Û²ìÆøÅÝ ²úÉúÇé¿ö | ? | ? | ? | ? |
?
Çë¸ù¾Ý¸ÃʵÑé»Ø´ðÏÂÁÐÎÊÌâ¡£
£¨1£©¸ÃʵÑéÖУ¬H2O2·Ö½â×î¿ìµÄÊÔ¹ÜÊÇ__________¡£
£¨2£©Ã¸ÊÇ»îϸ°û²úÉúµÄÓÐ_______________×÷ÓõÄÓлúÎÆäÖоø´ó¶àÊýøÊÇ____________¡£ÓëÎÞ»ú´ß»¯¼ÁÏà±È£¬Ã¸´ß»¯Ð§Âʸü¸ßµÄÔÒòÊÇ______________________________¡£
£¨3£©ÊÔ¹ÜaºÍdµÄʵÑéÏÖÏ󼸺õÏàͬ£¬ÊÇÒòΪ¸ßλáÆÆ»µÃ¸µÄ_______________¡£´Ó¶øʹÆäÓÀ¾Ãʧȥ»îÐÔ¡£¼ÓÈÈÒ²ÄÜ´Ùʹ¹ýÑõ»¯ÇâµÄ·Ö½â£¬ÆäÔÒòÊÇ_______________________________¡£
£¨4£©¼ÙÈçËÄÖ§ÊԹܵÄʵÑéÏÖÏó¾ù²»Ã÷ÏÔ£¬ÔÒò×î¿ÉÄÜÊÇ_____________________¡£Èç¹û½ö½«ÉÏÊöʵÑéÌõ¼þÓɳ£Î¸ÄΪ90¡æˮԡ£¬Öظ´ÊµÑ飬H2O2·Ö½â×î¿ìµÄÊÔ¹ÜÊÇ_________________¡£
¡¾´ð°¸¡¿c??? ´ß»¯??? µ°°×ÖÊ??? ø½µµÍ»¯Ñ§·´Ó¦»î»¯ÄܵÄÄÜÁ¦¸üÇ¿??? ¿Õ¼ä½á¹¹??? ¸ßÎÂÄÜÄÜʹ¹ýÑõ»¯Çâ·Ö×ӵõ½ÄÜÁ¿£¬´Ó³£Ì¬×ª±äΪÈÝÒ×·Ö½âµÄ»îԾ״̬??? ¹ýÑõ»¯ÇâÈÜÒº·ÅÖùý¾ÃÒÑ·Ö½â??? b???
¡¾½âÎö¡¿
·ÖÎöÎöÌâ¸ÉºÍÌâͼÐÅÏ¢¿ÉÖª£¬¸ÃʵÑéµÄ×Ô±äÁ¿ÊÇ´ß»¯¼ÁµÄÖÖÀ࣬Òò±äÁ¿¹ýÑõ»¯ÇâµÄ·Ö½âËÙÂÊ£¬¿ÉÒÔÓòúÉúÆøÅݵÄÁ¿ºÍÆøÅÝ´óС±íʾ£¬Òò´Ë¸ÃʵÑéµÄÄ¿µÄÊÇ̽¾¿Ã¸µÄ¸ßЧÐÔ£¬°´ÕÕʵÑéÉè¼ÆµÄ¶ÔÕÕÔÔòºÍµ¥Ò»±äÁ¿µÄÔÔò·ÖÎöʵÑé²½Öè¡¢Ô¤ÆÚʵÑé½á¹û²¢µÃ³öÏàÓ¦½áÂÛ¡£
£¨1£©·ÖÎö±í¸ñ¿ÉÖª£º¸ÃʵÑéÖУ¬ºâÁ¿H2O2·Ö½âµÄ¿ìÂýÊÇÒÔµ¥Î»Ê±¼äÄÚÆøÅÝÊýÁ¿ÎªÖ¸±êµÄ£¬cÊÔ¹ÜÖеĴ߻¯¼ÁÊǹýÑõ»¯Çâø£¬ÇÒζÈÊÊÒË£¬´ß»¯Ð§Âʸߣ¬¹ýÑõ»¯Çâ·Ö½âËÙÂʿ죬²úÉúÆøÅÝ×î¶à¡£
£¨2£©Ã¸ÊÇ»îϸ°û²úÉúµÄÓд߻¯×÷ÓõÄÓлúÎ´ó¶àÊýøÊǵ°°×ÖÊ£¬Ã¸´ß»¯Ð§Âʸü¸ßµÄÔÒòÊÇø½µµÍ»¯Ñ§·´Ó¦»î»¯ÄܵÄÄÜÁ¦¸üÇ¿¡£
£¨3£©¸ßÎÂÆÆ»µÃ¸µÄ¿Õ¼ä½á¹¹¡£¸ßÎÂÄÜÄÜʹ¹ýÑõ»¯Çâ·Ö×ӵõ½ÄÜÁ¿£¬´Ó³£Ì¬×ª±äΪÈÝÒ×·Ö½âµÄ»îԾ״̬£¬´Ó¶ø´Ù½ø¹ýÑõ»¯ÇâµÄ·Ö½âËÙÂÊ¡£
£¨4£©¹ýÑõ»¯ÇâÔÚ³£ÎÂÏÂÒ²ÄÜ»ºÂýµØ·Ö½â£¬¼ÙÈçËÄÖ§ÊԹܵÄʵÑéÏÖÏó¾ù²»Ã÷ÏÔ£¬ÔÒò×î¿ÉÄÜÊǹýÑõ»¯ÇâÈÜÒº·ÅÖùý¾ÃÒѷֽ⣻øµÄ×÷ÓÃÌõ¼þ±È½Ïκͣ¬¸ßλáʹøµÄ½á¹¹·¢Éú¸Ä±ä¶øʧȥ»îÐÔ£¬¶øÎÞ»ú´ß»¯¼Á¶ÔζȲ»Ãô¸Ð£¬Èç¹û½ö½«ÉÏÊöʵÑéÌõ¼þÓɳ£Î¸ÄΪ90¡æˮԡ£¬Ã¸ÒѾʧȥ»îÐÔ£¬¶øFeCl3²»»áʧȥ»îÐÔ£¬ËùÒÔH2O2·Ö½â×î¿ìµÄÊÇbÊԹܡ£