5- nazorat ishi 1- variant

5- Nazorat ishi
5- variant
1. 120g suvda 10 g tuz eritilisa shu eritmani eruvchanligini aniqlang.
2. Tuzning 100 C dagi eruvchanligi 5gr 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?
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Sana Ball Imzo
5- Nazorat ishi
6- variant

1. 
   80 gr eritma 20% foizli bo’sa eritmada necha gram suv va necha gram tuz bor?
   
2. 
   100 gr suvda 37 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?
   

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Sana Ball Imzo