£¨12·Ö£©£¨1£©Ä³Ñ§ÉúΪÁË̽¾¿ÂÁÓëÑÎËá·´Ó¦¹ý³ÌÖеÄËÙÂʱ仯£¬ËûÓÃÅÅË®¼¯Æø·¨ÊÕ¼¯·´Ó¦·Å³öµÄÇâÆø£¬ÊµÑé¼Ç¼ÈçÏ£º

ʱ¼ä£¨min£©

1

2

3

4

5

ÇâÆøÌå»ý£¨mL£©

50

150

300

380

410

 ¢Ù ÄÄһʱ¼ä¶Î£¨¼´0¡«1¡¢1¡«2¡¢2¡«3¡¢3¡«4¡¢4¡«5 min£©·´Ó¦ËÙÂÊ×î´ó          £¬Ô­ÒòÊÇ                                                                   

¢Ú ÄÄÒ»¶Îʱ¶ÎµÄ·´Ó¦ËÙÂÊ×îС            £¬Ô­ÒòÊÇ                         ¡£

£¨2£©ÁíһѧÉúÒ²×öͬÑùµÄʵÑ飬ÓÉÓÚ·´Ó¦Ì«¿ì£¬²»ºÃ¿ØÖƲâÁ¿ÇâÆøµÄÌå»ý£¬ËûÊÂÏÈÔÚÑÎËáÖмÓÈëµÈÌå»ýµÄÏÂÁÐÈÜÒº£ºA¡¢ ÕôÁóË®   B ¡¢CuCl2ÈÜÒº   C¡¢NaClÈÜÒº£¬ÒÔ¼õÂý·´Ó¦ËÙÂÊ£¬ÄãÈÏΪ¿ÉÐеÄÊÇ        £¬²»¿ÉÐеÄÊÇ        £¬²»¿ÉÐеÄÀíÓÉÊÇ                                                                    ¡£

£¨12·Ö£©

£¨1£©£¨6·Ö£©¢Ù 2¡«3 min £¬Òò¸Ã·´Ó¦ÊÇ·ÅÈÈ·´Ó¦£¬´Ëʱζȸߡ£

¢Ú 4¡«5 min £¬ÒòΪ´ËʱH+ Ũ¶ÈС¡£

£¨2£©£¨6·Ö£©A¡¢C£»  B£¬ÒòΪÖû»³öCu£¬ÐγÉCu¡ªAlÔ­µç³Ø·´Ó¦£¬Ê¹·´Ó¦¸ü¿ì¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ijѧÉúΪÁË̽¾¿Ð¿ÓëÑÎËá·´Ó¦¹ý³ÌÖеÄËÙÂʱ仯£¬ËûÔÚ100mLÏ¡ÑÎËáÖмÓÈë×ãÁ¿µÄп·Û£¬ÓÃÅÅË®¼¯Æø·¨ÊÕ¼¯·´Ó¦·Å³öµÄÇâÆø£¬ÊµÑé¼Ç¼ÈçÏ£¨ÀÛ¼ÆÖµ£©£º
ʱ¼ä£¨min£© 1 2 3 4 5
ÇâÆøÌå»ý£¨mL£© 50 120 232 290 310
£¨1£©ÄÄһʱ¼ä¶Î£¨Ö¸0¡«1¡¢1¡«2¡¢2¡«3¡¢3¡«4¡¢4¡«5min£©·´Ó¦ËÙÂÊ×î´ó
 
£¬Ô­ÒòÊÇ
 
£®
£¨2£©ÄÄһʱ¼ä¶ÎµÄ·´Ó¦ËÙÂÊ×îС
 
£¬Ô­ÒòÊÇ
 
£®
£¨3£©Çó2¡«3·ÖÖÓʱ¼ä¶ÎÒÔÑÎËáµÄŨ¶È±ä»¯À´±íʾµÄ¸Ã·´Ó¦ËÙÂÊ£¨ÉèÈÜÒºÌå»ý²»±ä£©
 
£®
£¨4£©Èç¹û·´Ó¦Ì«¼¤ÁÒ£¬ÎªÁ˼õ»º·´Ó¦ËÙÂʶøÓÖ²»¼õÉÙ²úÉúÇâÆøµÄÁ¿£¬ËûÔÚÑÎËáÖзֱð¼ÓÈëµÈÌå»ýµÄÏÂÁÐÈÜÒº£ºA£®ÕôÁóË®¡¢B£®NaClÈÜÒº¡¢C£®NaNO3ÈÜÒº¡¢D£®CuSO4ÈÜÒº¡¢E£®Na2CO3ÈÜÒº£¬ÄãÈÏΪ¿ÉÐеÄÊÇ
 
£®
£¨5£©°ÑпÓëÑÎËáµÄ·´Ó¦Éè¼Æ³ÉÔ­µç³Ø£¬Çë»­³ö×°ÖÃʾÒâͼ£¬±êÃ÷Õý¸º¼«£¬µç×ÓÁ÷¶¯·½Ïò£¬Ð´³öÕý¼«µÄµç¼«·´Ó¦Ê½
 
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨12·Ö£©»¯Ñ§·´Ó¦ËÙÂÊÓëÉú²ú¡¢Éú»îÃÜÇÐÏà¹Ø¡£

£¨1£©Ä³Ñ§ÉúΪÁË̽¾¿Ð¿ÓëÑÎËá·´Ó¦¹ý³ÌÖеÄËÙÂʱ仯£¬ËûÔÚ200mLÏ¡ÑÎËáÖмÓÈë×ãÁ¿µÄп·Û£¬ÓÃÅÅË®¼¯Æø·¨ÊÕ¼¯·´Ó¦·Å³öµÄÇâÆø£¬ÊµÑé¼Ç¼ÈçÏ£¨ÀÛ¼ÆÖµ£©£º

ʱ¼ä£¨min£©

1

2

3

4

5

ÇâÆøÌå»ý£¨mL£©£¨±ê×¼×´¿ö£©

50

120

232

288

310

¢Ù ÄÄһʱ¼ä¶Î£¨Ö¸0¡«1¡¢1¡«2¡¢2¡«3¡¢3¡«4¡¢4¡«5 min£©·´Ó¦ËÙÂÊ×îС            £¬

  Ô­ÒòÊÇ                                                                   ¡£

¢Ú ÄÄһʱ¼ä¶ÎµÄ·´Ó¦ËÙÂÊ×î´ó           £¬Ô­ÒòÊÇ                            ¡£

¢Û Çó3¡«4·ÖÖÓʱ¼ä¶ÎÒÔÑÎËáµÄŨ¶È±ä»¯À´±íʾµÄ¸Ã·´Ó¦ËÙÂÊ                     ¡£

 £¨ÉèÈÜÒºÌå»ý²»±ä£©

¢Ü Èç¹û·´Ó¦Ì«¼¤ÁÒ£¬ÎªÁ˼õ»º·´Ó¦ËÙÂʶøÓÖ²»¼õÉÙ²úÉúÇâÆøµÄÁ¿£¬Ëû¿É²ÉÈ¡µÄ´ëÊ©ÊÇ  £º

A£®¼ÓÕôÁóË®    B£®¼ÓNa2CO3ÈÜÒº    C£®¼ÓNaClÈÜÒº    D£®¼ÓNaNO3ÈÜÒº

£¨2£©ÒÑ֪ijζÈʱ£¬ÔÚ2LÈÝÆ÷ÖÐX¡¢Y¡¢ZÈýÖÖÎïÖÊËæʱ¼äµÄ±ä»¯¹ØϵÇúÏßÈçͼËùʾ¡£¸Ã·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ£º                                          ¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2011-2012ѧÄê½­ËÕʡк£¸ß¼¶ÖÐѧ¸ßÒ»ÏÂѧÆÚÆÚÖп¼ÊÔ»¯Ñ§ÊÔ¾í£¨´ø½âÎö£© ÌâÐÍ£ºÌî¿ÕÌâ

£¨12·Ö£©»¯Ñ§·´Ó¦ËÙÂÊÓëÉú²ú¡¢Éú»îÃÜÇÐÏà¹Ø¡£
£¨1£©Ä³Ñ§ÉúΪÁË̽¾¿Ð¿ÓëÑÎËá·´Ó¦¹ý³ÌÖеÄËÙÂʱ仯£¬ËûÔÚ200mLÏ¡ÑÎËáÖмÓÈë×ãÁ¿µÄп·Û£¬ÓÃÅÅË®¼¯Æø·¨ÊÕ¼¯·´Ó¦·Å³öµÄÇâÆø£¬ÊµÑé¼Ç¼ÈçÏ£¨ÀÛ¼ÆÖµ£©£º

ʱ¼ä£¨min£©
1
2
3
4
5
ÇâÆøÌå»ý£¨mL£©£¨±ê×¼×´¿ö£©
50
120
232
288
310
¢ÙÄÄһʱ¼ä¶Î£¨Ö¸0¡«1¡¢1¡«2¡¢2¡«3¡¢3¡«4¡¢4¡«5 min£©·´Ó¦ËÙÂÊ×îС            £¬
Ô­ÒòÊÇ                                                                   ¡£
¢ÚÄÄһʱ¼ä¶ÎµÄ·´Ó¦ËÙÂÊ×î´ó           £¬Ô­ÒòÊÇ                            ¡£
¢ÛÇó3¡«4·ÖÖÓʱ¼ä¶ÎÒÔÑÎËáµÄŨ¶È±ä»¯À´±íʾµÄ¸Ã·´Ó¦ËÙÂÊ                     ¡£
£¨ÉèÈÜÒºÌå»ý²»±ä£©
¢ÜÈç¹û·´Ó¦Ì«¼¤ÁÒ£¬ÎªÁ˼õ»º·´Ó¦ËÙÂʶøÓÖ²»¼õÉÙ²úÉúÇâÆøµÄÁ¿£¬Ëû¿É²ÉÈ¡µÄ´ëÊ©ÊÇ  £º
A£®¼ÓÕôÁóË®    B£®¼ÓNa2CO3ÈÜÒº    C£®¼ÓNaClÈÜÒº     D£®¼ÓNaNO3ÈÜÒº
£¨2£©ÒÑ֪ijζÈʱ£¬ÔÚ2LÈÝÆ÷ÖÐX¡¢Y¡¢ZÈýÖÖÎïÖÊËæʱ¼äµÄ±ä»¯¹ØϵÇúÏßÈçͼËùʾ¡£¸Ã·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ£º                                         ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2014½ì½­ËÕÊ¡¸ßÒ»ÏÂѧÆÚÆÚÖп¼ÊÔ»¯Ñ§ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

£¨12·Ö£©»¯Ñ§·´Ó¦ËÙÂÊÓëÉú²ú¡¢Éú»îÃÜÇÐÏà¹Ø¡£

£¨1£©Ä³Ñ§ÉúΪÁË̽¾¿Ð¿ÓëÑÎËá·´Ó¦¹ý³ÌÖеÄËÙÂʱ仯£¬ËûÔÚ200mLÏ¡ÑÎËáÖмÓÈë×ãÁ¿µÄп·Û£¬ÓÃÅÅË®¼¯Æø·¨ÊÕ¼¯·´Ó¦·Å³öµÄÇâÆø£¬ÊµÑé¼Ç¼ÈçÏ£¨ÀÛ¼ÆÖµ£©£º

ʱ¼ä£¨min£©

1

2

3

4

5

ÇâÆøÌå»ý£¨mL£©£¨±ê×¼×´¿ö£©

50

120

232

288

310

¢Ù ÄÄһʱ¼ä¶Î£¨Ö¸0¡«1¡¢1¡«2¡¢2¡«3¡¢3¡«4¡¢4¡«5 min£©·´Ó¦ËÙÂÊ×îС             £¬

  Ô­ÒòÊÇ                                                                    ¡£

¢Ú ÄÄһʱ¼ä¶ÎµÄ·´Ó¦ËÙÂÊ×î´ó            £¬Ô­ÒòÊÇ                             ¡£

¢Û Çó3¡«4·ÖÖÓʱ¼ä¶ÎÒÔÑÎËáµÄŨ¶È±ä»¯À´±íʾµÄ¸Ã·´Ó¦ËÙÂÊ                      ¡£

 £¨ÉèÈÜÒºÌå»ý²»±ä£©

¢Ü Èç¹û·´Ó¦Ì«¼¤ÁÒ£¬ÎªÁ˼õ»º·´Ó¦ËÙÂʶøÓÖ²»¼õÉÙ²úÉúÇâÆøµÄÁ¿£¬Ëû¿É²ÉÈ¡µÄ´ëÊ©ÊÇ   £º

A£®¼ÓÕôÁóË®    B£®¼ÓNa2CO3ÈÜÒº    C£®¼ÓNaClÈÜÒº     D£®¼ÓNaNO3ÈÜÒº

£¨2£©ÒÑ֪ijζÈʱ£¬ÔÚ2LÈÝÆ÷ÖÐX¡¢Y¡¢ZÈýÖÖÎïÖÊËæʱ¼äµÄ±ä»¯¹ØϵÇúÏßÈçͼËùʾ¡£¸Ã·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ£º                                          ¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸