solution, #Introduction to Physics, chapter 1,objetive 1 ,#H C verma

solution of H.C. verma ||introduction to Physics||class 11|| objective que. with solution

Solution of chapter 1 ,objective 2,HC_VERMA, vol. 1,cbse,introduction to Physics by tricky samarjit

chapter 1| ex: 1.1 |number system

A : pH of 0.1 M HCI solution is less than 0.1 M HCN solution R : In equimolar solutions , the number of ionisable H^+ present in HCI is less than present in HCN solution .

Calculate the mole fraction of solute in a dilute aqueous solution from which ice begins to separate out at -46^(@)C . ( K_(f) of H_(2)O = 1.86 K m^(-1) )

100 mL of 0.1 M HCl + 100 mL of 0.2 M H_(2)SO_(4) + 100 mL of 0.1 M HNO_(3) are mixed togther. a. What is the final conecntration of the solution. b. What would be the final concentration of the solution. If the solution is made to 1 L by adding H_(2) O ? c. What would be the final concentration of the solution if 700 mL of H_(2)O is added to the solution?

A dilute solution of a non-volatile solute in water freezes at — 0.2°C. At what temperature (in °C) the same solution will boil? (Kt for H_2O = 1.86°C m ^(-1) and K0 for H_2O = 0 515°C m^(-1) )

1 c.c of 0.1 N HCI is added to 1 litre solution of sodium chloride. The pH of the resulting solution will be

The freezing point of a solution that contains 10 g urea in 100 g water is ( K_1 for H_2O = 1.86°C m ^(-1) )

The equation sqrt(x+1)-sqrt(x-1)=sqrt(4x-1) has a. no solution b. one solution c. two solution d. more than two solutions