A. One Molal NaCI
B. One molal KCI solution
C. One molal CaCI2
D. One molal urea solution
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
