10 mL of 2(M)NaOH solution is added to 200mL of 0.5(M) of
Two blocks of masses 10 kg an 4 kg are connected by a spring of negligible mass and placedon a fr
If heads means one and tail means two, then coefficients of quadratic equation $$a{x}^{2}+bx+c=0$
The hardness of water is estimated by
1) distillation method
2) t
