Question

26.
What volumes should you mix of 0.2 M NaCl and
0.1 M Cacl2, solution so that in resulting solution
the concentration of positive lon is 40% lesser
than concentration of negative lon. Assuming
total volume of solution 1000 ml.
(A) 400 ml NaCI, 600 ml CaCL2
(B) 600 ml NacL, 400 ml Cacl2
(C) 800 ml NaC, 200 ml Cacl2
(D) None of these
c​

Answer 1

Answer:

A particle has a displacement of 40m along OX in the first 5s and 30m perpendicular to OX in

the next 5s. The magnitude of average velocity of the particle during the time internal of 10s is

a) 6 ms–1 b) 7 ms–1 c) 8 ms–1 d) 5 ms–1 [

option d is the right answer.