5- nazorat ishi 1- variant

5- Nazorat ishi
1- variant
1. 160g suvda 40 g tuz eritilisa shu eritmani eruvchanligini aniqlang.
2. Tuzning 200 C dagi eruvchanligi 25gr ga teng bo‘lsa 200 g to‘yingan eritmada shu
tuzdan necha gramm bo‘ladi?
3. To’yinmagan eritma?
4. Suvning kimyoviy xossalarini yozing.
Kompetentlikni aniqlash uchun materiallar:
5. Osh tuzini to‘yingan eritmasini qanday tayyorlash mumkin?
1_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
____________________________________________________________________________________________________________________
____________________________________________________________________________________________________________________
Sana Ball Imzo
5- Nazorat ishi
2- variant

1. 
   150 gr eritma 40% foizli bo’sa eritmada necha gram suv va necha gram tuz bor?
   
2. 
   300 gr suvda 70 gram tuz eritildi eritmani foiz konsentratsiyasini toping?
   
3. 
   To’yingan eritma?
   
4. 
   Suvning kimyoviy xossalarini yozing.
   

Kompetentlikni aniqlash uchun materiallar:

5. 
   Osh tuzini to‘yingan eritmasini qanday tayyorlash mumkin?
   
6. 
   ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Sana Ball Imzo