ÌâÄ¿ÄÚÈÝ
Ë®ºÍÈÜÒºÔÚÉúÃü»î¶¯ºÍÉú²ú¡¢Éú»îÖÐÆð×ÅÊ®·ÖÖØÒªµÄ×÷Óá£
£¨1£©¡°ÉúÃüÎü¹Ü¡±£¨ÈçÏÂͼ£©ÊÇÒ»ÖÖ¿ÉÒÔËæÉíЯ´øµÄСÐÍË®¾»»¯Æ÷£¬ÀïÃæ×°ÓÐÍøË¿¡¢×¢ÈëÁË»îÐÔÌ¿ºÍµâµÄÊ÷Ö¬µÈ¡£ÆäÖлîÐÔÌ¿Æðµ½________ºÍ¹ýÂË×÷Óá£
£¨2£©Ë®³£ÓÃÀ´ÅäÖƸ÷ÖÖÈÜÒº£¬ÏõËá¼ØÈÜÒºÖеÄÈÜÖÊΪ______________¡£
£¨3£©Å©ÒµÉú²ú³£ÓÃÈÜÖʵÄÖÊÁ¿·ÖÊýΪ10%¡«20%µÄNaClÈÜÒºÀ´Ñ¡ÖÖ¡£ÏÖ½«300g25%µÄNaClÈÜҺϡÊÍΪ15%µÄNaClÈÜÒº£¬ÐèÒª¼ÓË®µÄÖÊÁ¿Îª_____________g¡£
£¨4£©¸ù¾Ýϱí»Ø´ðÎÊÌâ¡£
ζÈ/¡æ | 0 | 20 | 40 | 60 | 80 | 100 | |
Èܽâ¶È/g | NaCl | 35.7 | 36.0 | 36.5 | 37.3 | 38.4 | 39.8 |
NH4Cl | 29.4 | 37.2 | 45.8 | 55.2 | 65.6 | 77.3 |
¢Ù60¡æʱ£¬ÏòÁ½¸ö·Ö±ðÊ¢ÓÐ50g NaClºÍNH4ClµÄÉÕ±ÖУ¬¸÷¼ÓÈë100gµÄË®£¬³ä·ÖÈܽâºó£¬Îª±¥ºÍÈÜÒºµÄÊÇ___________ÈÜÒº¡£
¢Ú²ÉÓÃÒ»ÖÖ²Ù×÷·½·¨£¬½«ÉÏÊöÉÕ±ÖеÄÊ£Óà¹ÌÌåÈ«²¿Èܽ⣬±äΪ²»±¥ºÍÈÜÒº¡£ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ_______£¨Ìî×ÖĸÐòºÅ£©
A.ÈÜÖʵÄÖÊÁ¿²»±ä B.ÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýÒ»¶¨¼õС
C.ÈÜÒºÖÊÁ¿¿ÉÄܲ»±ä D.¿ÉÉý¸ßζȻòÔö¼ÓÈܼÁ
£¨1£©Îü¸½£¨2£©KNO3£¨3£©200£¨4£©¢ÙNaCl ¢ÚD
£¨6·Ö£©Ë®ºÍÈÜÒºÔÚÉúÃü»î¶¯ºÍÉú²ú¡¢Éú»îÖÐÆð×ÅÊ®·ÖÖØÒªµÄ×÷Óá£
£¨1£©¾»Ë®Æ÷Öо³£Ê¹ÓûîÐÔÌ¿£¬Ö÷ÒªÀûÓûîÐÔÌ¿µÄ_______ÐÔ¡£
£¨2£©¸ù¾ÝͼÖÐʵÑéÖ»Éú³ÉÁËÇâÆøºÍÑõÆø£¬È·¶¨Ë®ÊÇÓÉÇâÔªËغÍÑõÔªËØ×é³ÉµÄ£¬µÃµ½´Ë½áÂÛµÄÒÀ¾ÝÊÇ________¡£Ð´³ö´ËʵÑéÖз¢Éú·´Ó¦µÄ»¯Ñ§·½³Ìʽ________¡£
£¨3£©ÉÕ±ÖÐÊ¢ÓÐÒ»¶¨ÖÊÁ¿¡¢Î¶ÈΪ80¡æ¡¢ÈÜÖÊΪMµÄÈÜÒº£¬½«ÆäÖÃÓÚÊÒλ·¾³ÖУ¬²â¶¨²»Í¬Î¶ÈʱÎö³ö¹ÌÌåMµÄÖÊÁ¿¡£²â¶¨½á¹û¼Ç¼ÈçÏÂ±í¡£
ÈÜÒºµÄζÈ/¡æ | 75 | 65 | 50 | 35 | 20 |
Îö³ö¹ÌÌåMµÄÖÊÁ¿/g | 0 | 0 | 2.0 | 4.5 | 8.4 |
¢Ù 65¡æʱ£¬¸ÃÈÜÒºÊÇ·ñΪ±¥ºÍÈÜÒº£¿ £¨Ìî¡°ÊÇ¡±¡¢¡°·ñ¡±»ò¡°ÎÞ·¨Åжϡ±£©£»
¢Ú½«t¡æʱ½Ó½ü±¥ºÍµÄMÈÜÒº±ä³É±¥ºÍÈÜÒº£¬ÏÂÁз½·¨ÖÐÒ»¶¨ÄܴﵽĿµÄµÄÊÇ £¨Ìî×ÖĸÐòºÅ£©£»
A. ÉýΠB. ½µÎ C. ¼ÓÈÜÖÊM
D. ¼ÓË® E. ¼ÓÁíÒ»ÖÖ¹ÌÌåN F. ºãÎÂÕô·¢Ë®
G. Óët¡æʱMµÄ±¥ºÍÈÜÒº»ìºÏ
¢Û 20¡æʱ£¬ÓùÌÌå·ÛÄ©MºÍË®ÅäÖÆ100gÈÜÖÊÖÊÁ¿·ÖÊýΪ5%µÄMÈÜÒº£¬±ØÐëÓõ½µÄÒÇÆ÷ÓУºÍÐÅÌÌìƽ£¨´øíÀÂ룩¡¢ÉÕ±¡¢ ¡£