Question

DAU 100 DE PUNCTE, URGENT!
1) Dati exemple de:
-electroliti in car intalnim legatura ionica
-electroliti in care intalnim legatura covalenta polara
2) precizati care substante sunt electroliti
-zahar
-alcool etilic
-glicerina
-petrol
-apa de gura
-cristale de sare de bucatarie

Answer 1

1)

Ionica:

*saruri NaCl, AgNO3, KCl etc

*oxizi Al2O3, Na2O etc

*baze NaOH, KO etc

Covalenta:

HCl, H2SO4,

2)

cristalele de clorura de sodiu

Apa de gura