Solid Ba (NO3)2 is gradually dissolved in 1 1.0×10−4M Na2CO3 solution. At what concentration of Ba2+ will a precipitate begin to form ? (Ksp for BaCO3=5.1×10−9)
In the circuit below, A and B represent two inputs and C represents the output.
The circuit represents
At 80∘C, the vapour pressure of pure liquid 'A' is 520 mm Hg and that of pure liquid 'B' is 1000 mm Hg. If a mixture solution of 'A' and 'B' boils at 80∘C and 1 atm pressure, the amount of 'A' in the mixture is (1 atm = 760 mm Hg)
If one of the lines of my2+(1−m2)xy−mx2=0is a bisector of the angle between the lines xy=0, then m is
Three sound waves of equal amplitudes have frequencies (v−1),v,(v+1). They superpose to give beats. The number of beats produced per second will be
Amount of oxalic acid present in a solution can be determined by its titration with KMnO4 solution in the presence of H2SO4. The titration gives unsatisfactory result when carried out in the presence of HCl, because HCl
If x, v and a denote the displacement, the velocity and the acceleration of a particle executing simple harmonic motion of time period T, then. Which of the following does not change with time ?