Question

COMPLETATI:
1. Soda caustica .........................in apa.
2. Zaharul, substanta care are molecule asociate prin legaturi de ........................se dizolva in apa.
3. Fpsforul alb ...............se dizolva in sulfura de ......................(solvent.....................)
4.Tinctura de iod este o solutie de ..............in ....................
5.Acidul azotic....................se dizolva in ...............................de carbon.

Scrieti care sunt cuplurile SOLUT - SOLVENT dintre:
S8, KOH, CS2,H2SO4, H2O, H2O

Answer 1

1. se dizolva
2.hidrogen
3 .P4 se dizolva in sulfura de carbon, solvent nepolar (aici nu sunt fff sigura)
4. iod I2 in alcool
5.HNO3 se dizolva in tetraclorura de carbon

Solut - solvent:
KOH...............H2O
S8.................CS2
H2SO4..............H2O