ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÔÚÉúÎï×éÖ¯Öл¹ÔÌÇ¡¢Ö¬·¾¡¢µ°°×Öʵļø¶¨ÊµÑéÖУ¬¶ÔʵÑé²ÄÁϵÄÑ¡Ôñ£¬ÏÂÁÐÐðÊöÕýÈ·µÄÓÐ
¢Ù¿ÉÓÃì³ÁÖÊÔ¼Á¼×ÒººÍÒÒÒº¡¢ÕôÁóË®À´¼ø¶¨ÆÏÌÑÌǺÍÄòÒºÖеĵ°°×ÖÊ
¢Ú»¨ÉúÖÖ×Óº¬Ö¬·¾¶àÇÒ×ÓÒ¶·Êºñ£¬ÊÇÓÃÓÚÖ¬·¾¼ø¶¨µÄÀíÏë²ÄÁÏ
¢ÛʳÓû¨ÉúÓÍ×îºÃÑ¡ÓÃËÕµ¤¢ôȾҺÀ´¼ø¶¨£¬¶øÒ»°ã²»Ñ¡ÓÃËÕµ¤¢óȾҺÀ´¼ø¶¨
¢Ü¸ÊÕá¾¥µÄ±¡±Ú×éÖ¯¶¼º¬Óн϶àÌÇÇÒ½üÓÚ°×É«£¬Òò´Ë¿ÉÒÔÓÃÓÚ½øÐл¹ÔÌǵļø¶¨
A. Ò»Ïî B. Á½Ïî C. ÈýÏî D. ËÄÏî
¡¾´ð°¸¡¿C
¡¾½âÎö¡¿ì³ÁÖÊÔ¼ÁÓëË«ËõëåÊÔ¼Á·Ö±ðÊǼø¶¨»¹ÔÌÇ£¨ÈçÆÏÌÑÌÇ£©ºÍµ°°×ÖʵÄÊÔ¼Á£¬Á½ÕßµÄÎïÖÊ×é³ÉÏàͬ£¬Å¨¶È²»ÍêÈ«Ïàͬ£¬ÆäÖÐì³ÁÖÊÔ¼Á¿ÉÓÃÕôÁóË®½øÐÐÏ¡ÊÍÅäÖƳÉË«ËõëåÊÔ¼Á£¬¢ÙÕýÈ·£»»¨ÉúÖÖ×Óº¬Ö¬·¾¶àÇÒ×ÓÒ¶·Êºñ£¬ÊÇÓÃÓÚÖ¬·¾¼ø¶¨µÄÀíÏë²ÄÁÏ£¬¢ÚÕýÈ·£»ÓÉÓÚ»¨ÉúÓͱ¾Éí³Ê³È»ÆÉ«£¬Òò´ËʳÓû¨ÉúÓÍ×îºÃÑ¡ÓÃËÕµ¤IVȾҺÀ´¼ø¶¨£¬¶øÒ»°ã²»Ñ¡ÓÃËÕµ¤IIIȾҺÀ´¼ø¶¨£¬¢ÛÕýÈ·£»¸ÊÕá¾¥µÄ±¡±Ú×éÖ¯ºÍÌð²ËµÄ¿é¸ùº¬Óн϶àµÄÕáÌÇ£¬µ«ÕáÌÇÊôÓÚ·Ç»¹ÔÐÔÌÇ£¬Òò¶ø²»ÊǽøÐпÉÈÜÐÔ»¹ÔÌǼø¶¨µÄÀíÏë²ÄÁÏ£¬¢Ü´íÎó¡£×ÛÉÏËùÊö£¬ÕýÈ·µÄÓТ٢ڢۣ¬¹ÊÑ¡C¡£
¡¾ÌâÄ¿¡¿ÔÚDNA´ÖÌáÈ¡Óë¼ø¶¨ÊµÑéÖУ¬½«µÚ¶þ´Î¹ýÂË»ñµÃµÄÉ´²¼ÉϺ¬ÓеÄDNAµÄð¤³íÎï(º¬Óн϶àÔÓÖÊ)·Ö±ð´¦ÀíÈçÏ£º
ÐòºÅ | ²Ù×÷¹ý³Ì |
¢Ù | ·ÅÈë2 mol/LµÄNaClÈÜÒº£¬½Á°èºó¹ýÂË |
¢Ú | ÔÙ¼Ó0.14 mol/LµÄNaClÈÜÒº£¬½Á°èºó¹ýÂË |
¢Û | ÔÙ¼ÓÈëÀäÈ´µÄ¡¢Í¬Ìå»ýµÄ95%¾Æ¾«ÈÜÒº£¬Óò£Á§°ôÑØÒ»¸ö·½Ïò½Á°è£¬¾íÆð˿״Îï |
ÉÏÊö²Ù×÷¹ý³ÌÕýÈ·µÄÊÇ(¡¡¡¡)
A. ¢Ù¢Ú B. ¢Ù¢Ú¢Û
C. ¢Ù¢Û D. ¢Ú¢Û
¡¾ÌâÄ¿¡¿¸ù¾ÝÎÒ¹úÏÖÐеÄʳƷÖÊÁ¿±ê×¼£¬0¡«6¸öÔµÄÓ¤¶ùÄÌ·ÛÖе°°×Öʵĺ¬Á¿Ó¦Îª12%¡«18%¡£ÏÖÓÐÒ»ÖÖ´ý²âÓ¤¶ùÄÌ·Û£¬ÇëÄã³¢ÊÔÍê³É¼ø¶¨ÊµÑé¡£
£¨1£©ÊµÑéÄ¿µÄ£º¼ø¶¨¸Ã´ý²âÓ¤¶ùÄÌ·Ûµ°°×Öʵĺ¬Á¿ÊÇ·ñ·ûºÏÖÊÁ¿±ê×¼¡£
£¨2£©ÊµÑéÔÀí£ºµ°°×ÖÊÓë________·¢Éú×÷Ó㬲úÉú×ÏÉ«·´Ó¦¡£
£¨3£©²ÄÁÏÓþߣºÏàͬŨ¶ÈµÄ±ê×¼Ó¤¶ùÄÌ·ÛÈÜÒººÍ´ý²âÓ¤¶ùÄÌ·ÛÈÜÒº¡¢0.1 g/mLµÄNaOHÈÜÒº¡¢0.01 g/mLµÄCuSO4ÈÜÒº¡¢ÊԹܺ͵ιܵȡ£
£¨4£©ÊµÑé²½Ö裺
¢ÙÈ¡Á½Ö§ÊԹֱܷð¼ÓÈë2 mLµÄ±ê×¼Ó¤¶ùÄÌ·ÛÈÜÒº(±àºÅ¼×)ºÍ2 mLµÄ´ý²âÓ¤¶ùÄÌ·ÛÈÜÒº(±àºÅÒÒ)¡£±ê×¼Ó¤¶ùÄÌ·ÛÈÜÒºÔÚ±¾ÊµÑéÖÐÆð________×÷Óá£
¢Ú·Ö±ðÏòÁ½Ö§ÊÔ¹ÜÖмÓÈë1 mLµÄ________ÈÜÒº£¬Õñµ´£¬Ò¡ÔÈ¡£
¢ÛÔÙ·Ö±ðÏòÁ½Ö§ÊÔ¹ÜÖмÓÈë4µÎµÄ_________ÈÜÒº£¬Õñµ´£¬Ò¡ÔÈ£¬±È½ÏÑÕÉ«µÄ±ä»¯¡£
£¨5£©Ô¤²â½á¹û¼°½áÂÛ£º
Ô¤²â½á¹û | ½áÂÛ |
¼×¡¢ÒÒÁ½ÊԹܾù³öÏÖ×ÏÉ«Çҳ̶ÈÏàͬ | ¢Ù_________ |
¢Ú___________ | ˵Ã÷´ý²âÓ¤¶ùÄÌ·Ûµ°°×Öʵĺ¬Á¿²»·ûºÏÖÊÁ¿±ê×¼ |
¡¾ÌâÄ¿¡¿Ö²Îïϸ°û±ÚµÄÖ÷Òª³É·ÖÊÇÏËάËغ͹û½º¡£Ï¸¾úϸ°û±ÚµÄÖ÷Òª³É·ÖÊÇʲô£¿ÓÐÈËÈÏΪϸ¾úϸ°û±ÚÖк¬ÓÐÌÇÀàºÍµ°°×ÖÊ¡£ÎªÌ½¾¿Æ仯ѧ³É·Ö£¬Ä³¿ÎÌâС×éÉè¼ÆÁËÈçÏÂʵÑé¡£(ÒÑÖªÌÇÀà¼ÓÁòËáË®½âºóÓüîÖкͣ¬ÔÙ¼Óì³ÁÖÊÔ¼Á¼ÓÈÈÓÐשºìÉ«³ÁµíÉú³É£¬µ°°×ÖÊÓëË«ËõëåÊÔ¼Á×÷Óã¬Éú³É×ÏÉ«ÎïÖÊ£¬ÇÒ¶þÕßµ¥¶À¼ìÑéʱ»¥²»¸ÉÈÅ)¡£Çë²¹³äÍêÉÆʵÑé¡£
ʵÑé²½Ö裺
(1)½«Ï¸¾úϸ°û·ÛËéºó£¬ÓøßËÙÀëÐÄ»ú·ÖÀëµÃµ½Ï¸¾úϸ°û±Ú¡£
(2)½«Ï¸¾úϸ°û±Ú·Ö³ÉÁ½µÈ·Ý£¬±àºÅΪA¡¢B¡£
(3)_____________________________________________________________________¡£
Ô¤²âʵÑéÏÖÏó¼°½áÂÛ
ʵÑéÏÖÏó | ʵÑé½áÂÛ |
¢ÙÈôA³öÏÖשºìÉ«³Áµí£¬B³öÏÖ×ÏÉ« | ¢Ùϸ¾úϸ°û±ÚÖк¬ÓÐÌÇÀàºÍµ°°×ÖÊ |
¢Ú | ¢Ú |
¢Û | ¢Û |
¢Ü | ¢Ü |