std 11 economics ch 8 swadhyay full solution

RBI has appointed an 8-member expert committee headed by U.K. Sinha to suggest long-term solutions for the economic and financial sustainability of the MSME sector. Mr Sinha was a former chairman of.........

DPP 8-11 and illustrations

DPP 8-11 and illustrations

Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of solution R in the liquid in the tank after 3 minutes? 5/(11) b. 6/(11) c. 7/(11) d. 8/(11)

The pH of aqueous solution of ammonia is 11.5. Find molarity of solution. K_b (NH_4OH)= 1.8 xx 10^(-5)

a. Write an equilibriu equation for a solution containing CH_(3)COOH and CH_(3)COONa . What effect does CH_(3)COONa have on a solution of CH_(3)COOH ? b. What reagents should be added to a solution to increase i. [CH_(3)COO^(Theta)] ii. [overset(o+)NH_(4)]

Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of solution R in the liquid in the tank after 3 minutes? A) (3)/(11) B) (6)/(11) C) (4)/(11) D) (7)/(11)