Engineering Questions

Q.10. Let C be a circle having centre in the first quadrant and touching the x-axis at a distance 3 units from the origin. If the circle C has an intercept of length on y-axis, then the length of the

Q.15. The square of the distance of the point of intersection of the lines , and from the origin is :

Q.55. By usual analysis, 1.00g of compound (X) gave 1.79g of magnesium pyrophosphate. The percentage of phosphorus in compound (X) is: (nearest integer) (Given, molar mass in g mol: O = 16, Mg = 24, P

Q.61. Identify the correct statements from the following: (A) [Fe(C₂O₄)₃]³⁻ is the most stable complex among [Fe(OH)₆]³⁻, [Fe(C₂O₄)₃]³⁻ and [Fe(SCN)₆]³⁻. (B) The stability of [Cu(NH₃)₄]²⁺ is greater t

Q.67. The strongest conjugate acid will result from [Figure: Four conjugate acids are shown. (1) Anilinium ion (protonated aniline). (2) p-Methoxyanilinium ion. (3) p-Nitroanilinium ion. (4) p-Methyla

Q.58. The correct set that contains all kinds (basic, acidic, amphoteric and neutral) of oxides is :

Q.22. Let and . If the number of points where g is not continuous and is not differentiable are and respectively, then is equal to ________.

Q.73. One mole of phenol is treated with dilute HNO₃ at 298K to give a mixture of products. The mixture is separated by steam distillation. The seam volatile compound (X) is separated. The increase in

Q.13. Suppose the two chords, drawn from the point on the circle are bisected by the y-axis. If the other ends of these chords are R and S, and the mid point of the line segment RS is , then is equ

Q.31. The two projectiles are projected with the same initial velocities at the 15° and 30° with respect to the horizontal. The ratio of their ranges is 1: x. The value of x is