ExamPlay Dark Logo
Registrazione

WAEC - Chemistry (1997 - No. 34)

Which of the following is used as water softener?
Na2CO3.10H2O
CuSO4. 5H2O
MgSO4. 7H2O
CaCI2.2H2O
Na2SO4. 10H2O

Commenti (0)

Accedi per commentare
Annuncio
BrainBehindX Inc Logo
©2026; Offerto da BrainBehindX Inc