¡¾ÌâÄ¿¡¿¿ÆÆÕÔĶÁ

ÈÈÃôÖ½

Ë«·ÓA£¨Bisphenol A£¬»¯Ñ§Ê½C15H16O2£©°×É«Õë×´¾§Ìå¡£

Ë«·ÓA £¨¼òдΪBPA£©¿ÉÔÚÈÈÃôÖ½Éϳ䵱ÏÔÓ°¼ÁºÍÎÞɫȾÁÏ£¬Å¨¶È¸ß´ïÿ¿ËÖ½Ô¼20ºÁ¿Ë¡£ÕâÖÖÈÈÃôÖ½¿ÉÓÃÓÚ·É»úƱ£¬ATM»ú¡¢¼ÓÓÍ»úºÍÊÕÒø»úµÄƾ¾ÝÒÔ¼°ÆäËüÀàÐ͵ÄСƱ¡£ÈÈÃôÖ½ÉÏÏÔÓ°¼ÁµÄÏÔÉ«·´Ó¦ÊÇ¿ÉÄæµÄ£¬ÓÐÉ«²úÎï»á²»Í¬³Ì¶ÈµØ×ÔÐзֽ⣬×Ö¼£ÑÕÉ«»áÂýÂýÍËÉ«Ô½À´Ô½Ç³µ­£¬Ö±ÖÁ×ÔÈ»ÍËÉ«µ½×Ö¼£ÍêÈ«ÏûʧÔÚ°×Ö½Ö®ÖС£Ñо¿ÕßÃÇÊ×´ÎÖ¤Ã÷£¬Ïû·ÑСƱ£¨ÈÈÃôÖ½£©ÉÏÅçÍ¿µÄË«·ÓA£¨BPA£©£¬Í¨¹ý½Ó´¥ÏÈÕ³¸½ÔÚÊÖÉÏ£¬È»ºó¾­¹ýÊÖµÄƤ·ô±»ÈËÌåÎüÊÕ£¬Ê¹ÈËÌåÄÚµÄBPAº¬Á¿ÏÔÖøÌá¸ß¡£

ÔÚ¿ì²ÍµêµÈ³¡Ëù£¬ÈËÃǾ­³£ÔÚ½øʳǰʹÓÃÊÖ²¿ÃâÏ´Ïû¶¾Òº£¬È»ºóµã²ÍʱÓÖ»á½Ó´¥µ½Ð¡Æ±£¬ÃâÏ´Ïû¶¾ÒºÖк¬ÈⶹޢËáÒì±ûõ¥¡¢±û¶þ´¼ºÍÒÒ´¼µÈ³É·Ö¡£Ñо¿ÕßÃÇÊÔͼÁ˽âÕâÒ»×ö·¨»á¶ÔÈËÌåÎüÊÕBPAÓкÎÓ°Ï죬Ϊ´Ë×öÈçÏÂʵÑé¡£ÔÚʵÑéÖУ¬ÏÈÈñ»²âÊÔÕßÒ»Ö»ÊÖ²ÁÊÃÃâÏ´Ïû¶¾Òº£¬ÔÚ»¹Î´¸É͸µÄÇé¿öÏ£¬ÓÃÊÖÕÆÖ±½ÓÎÕסÈÈÃôÖ½£»ÁíÒ»Ö»ÊÖδʹÓÃÏû¶¾Òº£¬ÓøÉÔïµÄÊÖÕÆÎÕסͬÑù´óСµÄÈÈÃôÖ½¡£Ëæºó£¬¶ÔÊÖÕƱíÃæ²ÐÁôµÄBPA½øÐÐÌáÈ¡ºÍ·ÖÎö¡£½á¹ûÈçÏÂͼ¡£

¸ù¾ÝÒÔÉÏ×ÊÁÏ£¬»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©Ë«·ÓAÊôÓÚ_____£¨Ìî¡°ÓлúÎ»ò¡°ÎÞ»úÎ£©¡£Ò»¸öË«·ÓA·Ö×ÓÖк¬ÓÐ_____¸öÑõÔ­×Ó¡£

£¨2£©¡°Ð¡Æ±¡±ÄÜ·ñ×÷ΪÖØÒªµÄÖ¤¾Ý³¤ÆÚ±£´æ,²¢ËµÃ÷Ô­Òò_____¡£

£¨3£©·ÖÎö×ø±êͼ¿ÉÒÔ¿´³ö£¬ÔÚʹÓÃÃâÏ´Ïû¶¾Òººó£¬ÊÖÕÆÉÏBPAµÄº¬Á¿µÄ±ä»¯Ç÷ÊÆÊÇ_____£¬ÓëδʹÓÃÏû¶¾ÒºµÄ¶Ô±È£¬ ˵Ã÷ÃâÏ´Ïû¶¾ÒºÄÜ_____ÈËÌå¶ÔBPAµÄÎüÊÕ¡£

£¨4£©ËäÈ»¹ØÓÚË«·ÓAµÄ¶¾ÀíѧÑо¿ÒÑÓкܶ࣬µ«Ëü¶ÔÓÚÈËÌåµÄ¶¾ÐÔÄ¿Ç°»¹Ã»ÓÐȨÍþ¡¢È·ÇеĽáÂÛ¡£Ñо¿ÈËÔ±ÈÏΪ£¬Ó¦¸Ã¿ª·¢¸ü°²È«µÄ²ÄÁÏ»ò·½·¨À´´úÌæÈÈÃôÖ½¡£ÏÖÓÐÌõ¼þÏ£¬ÄãÈÏΪÔÚ¿ì²ÍÌü¾Í²ÍÇ°½÷É÷µÄ×ö·¨ÊÇ_____£¬ÒÔ·ÀË«·ÓA³ÃÐé¶øÈë¡£

¡¾´ð°¸¡¿ÓлúÎï 2 ²»ÄÜ£¬ÈÈÃôÖ½ÉÏÏÔÓ°¼ÁµÄÏÔÉ«·´Ó¦ÊÇ¿ÉÄæµÄ£¬ÓÐÉ«²úÎï»á²»Í¬³Ì¶ÈµØ×ÔÐзֽ⣬×Ö¼£ÑÕÉ«»áÂýÂýÍËÉ«Ô½À´Ô½Ç³µ­£¬Ö±ÖÁ×ÔÈ»ÍËÉ«µ½×Ö¼£ÍêÈ«ÏûʧÔÚ°×Ö½Ö®ÖÐ Ëæʱ¼äÔö¼Ó£¬BPAº¬Á¿ÏÈÔö¼Óºó¼õÉÙ ¼ÓËÙ£¨ÔöÇ¿¡¢Ôö¼ÓµÈ£© ²ÁÊÃÏ´ÊÖÒººó±ÜÃâ½Ó´¥Ð¡Æ±

¡¾½âÎö¡¿

¸ù¾ÝË«·ÓAµÄ»¯Ñ§Ê½¡¢ÐÔÖÊ¡¢Êý¾Ý¶Ô±ÈºÍÉú»î¾­Ñé½øÐзÖÎö¡£

£¨1£©º¬ÓÐ̼ԪËصĻ¯ºÏÎ̼µÄÑõ»¯ÎïºÍ̼ËáÑγýÍ⣩ÊÇÓлúÎ˫·ÓAÊôÓÚÓлúÎһ¸öË«·ÓA·Ö×ÓÖк¬ÓÐ2¸öÑõÔ­×Ó¡£

£¨2£©¡°Ð¡Æ±¡±²»ÄÜ·ñ×÷ΪÖØÒªµÄÖ¤¾Ý³¤ÆÚ±£´æ£¬ÈÈÃôÖ½ÉÏÏÔÓ°¼ÁµÄÏÔÉ«·´Ó¦ÊÇ¿ÉÄæµÄ£¬ÓÐÉ«²úÎï»á²»Í¬³Ì¶ÈµØ×ÔÐзֽ⣬×Ö¼£ÑÕÉ«»áÂýÂýÍËÉ«Ô½À´Ô½Ç³µ­£¬Ö±ÖÁ×ÔÈ»ÍËÉ«µ½×Ö¼£ÍêÈ«ÏûʧÔÚ°×Ö½Ö®ÖС£

£¨3£©·ÖÎö×ø±êͼ¿ÉÒÔ¿´³ö£¬ÔÚʹÓÃÃâÏ´Ïû¶¾Òººó£¬ÊÖÕÆÉÏBPAµÄº¬Á¿µÄ±ä»¯Ç÷ÊÆÊÇËæʱ¼äÔö¼Ó£¬BPAº¬Á¿ÏÈÔö¼Óºó¼õÉÙ£»ÓëδʹÓÃÏû¶¾ÒºµÄ¶Ô±È£¬ ˵Ã÷ÃâÏ´Ïû¶¾ÒºÄܼÓËÙ£¨ÔöÇ¿¡¢Ôö¼ÓµÈ£©ÈËÌå¶ÔBPAµÄÎüÊÕ¡£

£¨4£©ÏÖÓÐÌõ¼þÏ£¬Ê¹ÓÃÃâÏ´Ïû¶¾Òººó£¬ÊÖÕÆÉÏBPAµÄº¬Á¿µÄ±ä»¯Ç÷ÊÆÊÇËæʱ¼äÔö¼Ó£¬BPAº¬Á¿ÏÈÔö¼Óºó¼õÉÙ£¬ÓëδʹÓÃÏû¶¾ÒºµÄ¶Ô±È£¬ ˵Ã÷ÃâÏ´Ïû¶¾ÒºÄܼÓËÙ£¨ÔöÇ¿¡¢Ôö¼ÓµÈ£©ÈËÌå¶ÔBPAµÄÎüÊÕ¡£ËùÒÔÔÚ¿ì²ÍÌü¾Í²ÍÇ°½÷É÷µÄ×ö·¨ÊDzÁÊÃÏ´ÊÖÒººó±ÜÃâ½Ó´¥Ð¡Æ±£¬ÒÔ·ÀË«·ÓA³ÃÐé¶øÈë¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¡¾ÌâÄ¿¡¿ÔÚÏÖ´úÉú»îÖУ¬ÈËÃÇÔ½À´Ô½×¢ÖØ΢Á¿ÔªËصÄÉãÈ¡£®µâÔªËضÔÈËÌ彡¿µÓÐÖÁ¹ØÖØÒªµÄ×÷Óã®Ï±íÊÇijµØÊг¡ÏúÊÛµÄÒ»ÖÖ¡°¼ÓµâʳÑΡ±°ü×°´üÉϵIJ¿·Ö˵Ã÷£®

ÅäÁÏ

ÂÈ»¯ÄÆ¡¢µâËá¼Ø£¨KIO3£©

º¬µâÁ¿

£¨20mg¡«30mg£©/kg

±£ÖÊÆÚ

18¸öÔÂ

ʳÓ÷½·¨

Îð³¤Ê±¼äìÀ³´

Öü´æ·½·¨

±Ü¹â¡¢±ÜÈÈ¡¢ÃÛ·ä¡¢·À³±

Çë»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©ÓÉʳÓ÷½·¨ºÍÖü²ØÖ¸ÄÏ¿ÉÍƲâµâËá¼Ø£¨KIO3£©µÄ»¯Ñ§ÐÔÖÊÖ®Ò»ÊÇ_____£»

£¨2£©¼ÆËãµâËá¼Ø£¨KIO3£©ÖУ¬¼ØÔªËØ¡¢µâÔªËØ¡¢ÑõÔªËصÄÖÊÁ¿±È_____£»

£¨3£©¼ÆËãµâËá¼Ø£¨KIO3£©ÖУ¬µâÔªËصÄÖÊÁ¿·ÖÊýÊǶàÉÙ£¿_____£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¡¾ÌâÄ¿¡¿³ýÈ¥ÏÂÁÐÎïÖÊÖлìÓеÄÉÙÁ¿ÔÓÖÊËùÑ¡ÓõÄÊÔ¼Á£¬²»ÕýÈ·µÄÊÇ£¨ £©

Ñ¡Ïî

»ìºÏÎÀ¨ºÅÄÚΪÔÓÖÊ£©

Ñ¡ÓõÄÊÔ¼Á

A

×ãÁ¿±¥ºÍµÄÇâÑõ»¯ÄÆÈÜÒº

B

×ãÁ¿µÄÑõ»¯Í­·ÛÄ©

C

×ÆÈȵÄÑõÆø

D

×ãÁ¿±¥ºÍµÄÇâÑõ»¯ÄÉÈÜÒº

A.AB.BC.CD.D

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¡¾ÌâÄ¿¡¿¼×¡¢ÒÒÁ½»¯¹¤³§·Ö²¼ÈçͼËùʾ£¬¼ýÍ·´ú±íË®Á÷·½Ïò£¬Èç¹ûÔÚa´¦È¡Ë®Ñù¼ì²â£¬Ë®Öк¬ÓÐÉÙÁ¿NaOH¡¢Na2SO4£»ÔÚc´¦È¡Ë®Ñù¼ì²â£¬pH£½7ÇÒË®ÖÐÖ»º¬ÓÐÉÙÁ¿NaCl£¬Ôòb´¦Ë®Öк¬ÓеÄÒ»×éÎïÖÊÊÇ£¨¡¡¡¡£©

A.MgSO4 NaClB.H2SO4 Ba£¨NO3£©2

C.BaCl2 HClD.H2SO4 MgCl2

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¡¾ÌâÄ¿¡¿Îª²â¶¨Ò»Æ¿¾ÃÖõÄÉÕ¼îÖÐÇâÑõ»¯ÄƵĺ¬Á¿£¬Ä³Í¬Ñ§È¡25.0gÑùÆ·£¬ÈÜÓÚË®µÃµ½100gÈÜÒº£¬ÔÙ¼ÓÈë100g×ãÁ¿Ï¡ÁòËᣬ³ä·Ö·´Ó¦ÖÁ²»ÔÙ²úÉúÆøÌ壬²âµÃÈÜÒºÖÊÁ¿Îª197.8g¡£Çë¼ÆË㣺

£¨1£©·´Ó¦²úÉúCO2µÄÖÊÁ¿¡£

£¨2£©ÑùÆ·ÖÐNaOHµÄÖÊÁ¿·ÖÊý£¨½á¹û±£ÁôÖÁ0.1%£©¡£

£¨3£©×îºóËùµÃÈÜÒºÖеÄÄÆÔªËصÄÖÊÁ¿£¨½á¹û±£ÁôÖÁ0.1£©¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¡¾ÌâÄ¿¡¿ÊµÑéÓë°¸Àý

£¨1£©°¸Àýһ̽¾¿ÈËÌåºô³öÆøÌåÖжþÑõ»¯Ì¼º¬Á¿±È¿ÕÆøÖеĸߣ¬ÊµÑéÌõ¼þ³ýÁËÒª¿ØÖÆÁ½¸öÊ¢×°ÆøÌåÑùÆ·µÄ¼¯ÆøÆ¿´óС¹æ¸ñÏàͬÍ⣬»¹Òª¿ØÖÆ_____Ïàͬ¡£

£¨2£©°¸Àý¶þÓò£Á§±­Ñ¸ËÙ¿ÛסȼÉÕµÄÀ¯Öò£¬²¢Ê¹±­¿ÚʼÖÕ½þûÔÚË®ÖС£ÃèÊö´ËʵÑéʵÑéÏÖÏó£º_____

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¡¾ÌâÄ¿¡¿ÀûÓÃÄÜÔ´¡¢½ÚÔ¼ÄÜÔ´¡¢±£»¤»·¾³ÊÇÎÒÃÇ´ó¼Ò¹²Í¬¹Ø×¢µÄÉç»áÎÊÌâ¡£

£¨1£©×îÇå½àµÄȼÁÏÊÇ________

£¨2£©ÎÒ¹ú·¢Éä¡°æ϶ðÒ»ºÅ¡±µÄ»ð¼ýʹÓÃC2H8N2£¨Æ«¶þ¼×룩ºÍN2O4ΪÍƽø¼Á£¬ÇëÍê³É¸Ã»¯Ñ§·½³Ìʽ£ºC2H8N2+2N2O4£½2CO2+3_____+4H2O

£¨3£©SO2µÄ´óÁ¿ÅÅ·ÅÄÜÐγÉËáÓ꣬pHСÓÚ_____µÄ½µÓê³ÆΪËáÓ꣬ij»ðµç³§ÔÚȼúÖмÓÈëʯ»ÒʯÒÔ½µµÍ·ÏÆøÖÐSO2µÄº¬Á¿£¬¼ÙÉèȼÉÕºóµÃµ½50t·ÏÔü£¬Èô¸Ã·ÏÒºÖк¬ÁòÔªËصÄÖÊÁ¿·ÖÊýΪ24%£¬Ï൱ÓÚÉÙÅÅ·Å_____t¶þÑõ»¯Áò

£¨4£©ÌìÈ»ÆøȼÉÕ²»³ä·Öʱ£¬¿Éµ÷´óÆøÔî_____£¨Ìî¡°¿ÕÆø¡±»ò¡°È¼Æø¡±£©½øÈëÁ¿

£¨5£©½ðÊôþ×Å»ð²»ÄÜʹÓöþÑõ»¯Ì¼ÆËÃð£¬ÒòΪþÄÜÔÚ¶þÑõ»¯Ì¼ÖмÌÐøȼÉÕ£¬Éú³ÉÒ»ÖÖºÚÉ«µ¥ÖʺÍÑõ»¯Ã¾Á½ÖÖ¹ÌÌå·ÛÄ©£¬Ð´³ö¸Ã·´Ó¦µÄ»¯Ñ§·½³Ìʽ________

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¡¾ÌâÄ¿¡¿Çë½áºÏÏÂÁÐʵÑé×°Ö㬻شðÓйØÎÊÌâ¡£

£¨1£©Ð´³öÒÇÆ÷aºÍbµÄÃû³Æ£ºa_____£¬b_____¡£

£¨2£©ÊµÑéÊÒÓÃA×°Öòú³öÑõÆø£¬·¢Éú»¯Ñ§·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ_____¡£Èç¹ûÒªÊÕ¼¯½Ï´¿¾»µÄÑõÆøÑ¡ÔñµÄÊÕ¼¯×°ÖÃΪ_____¡£

£¨3£©ÊµÑéÊÒÓÃʯ»ÒʯÓëÏ¡ÑÎËá·´Ó¦ÖÆÈ¡²¢ÊÕ¼¯¶þÑõ»¯Ì¼£¬Ó¦Ñ¡ÔñµÄ×°ÖÃΪ_____£¨Ìî×Öĸ£©¡£Æä·´Ó¦Ô­ÀíΪ_____¡£

£¨4£©Ã¾ÂÁºÏ½ðM¿ËºÍ×ãÁ¿µÄÑÎËá·´Ó¦Éú³ÉH2 0.1¿Ë£¬ÔòM¿ÉÄÜÊÇ_____¡£

A 0.8 B 1 C 1.5 D ÎÞ·¨È·¶¨

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¡¾ÌâÄ¿¡¿ÏÖÓк¬HClºÍCuCl2µÄ»ìºÏÈÜÒº50g£¬Ïò¸ÃÈÜÒºÖÐÖðµÎ¼ÓÈëÈÜÖÊÖÊÁ¿·ÖÊýΪ10%µÄNaOHÈÜÒº£¬Éú³É³ÁµíµÄÖÊÁ¿Óë¼ÓÈëNaOHÈÜÒºµÄÖÊÁ¿¹ØϵÈçͼËùʾ¡£

£¨1£©Ç¡ºÃÍêÈ«·´Ó¦Ê±£¬ÏûºÄNaOHÈÜÒºµÄ×ÜÖÊÁ¿Îª_____g¡£

£¨2£©ÇóÇ¡ºÃÍêÈ«·´Ó¦Ê±ËùµÃÈÜÒºÈÜÖʵÄÖÊÁ¿·ÖÊý_____£¨½á¹û±£Áô1%£©¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸