Yes, hydrochloric acid is used for cleaning. To know more about molarity in detail and other science topics in an interesting way, subscribe to... View Article
High resistance is used in potentiometer since while measuring the EMF of a cell, it does not draw any current from the source of known EMF. To... View Article
Solution: (2) A = {a1, a2, ....................,a10} f (ai) = aj; j = 1, 2, ........, 10 and i = 1, 2, ......., 10 Total number of distinct... View Article
Solution: (3) f (x) = [ax + b] / [cx + d] = k [ax + b] = kcx + kd Coefficient of x : a = kc ⇒ k = a / c Consatnt term: b = kd ⇒ k = b / d... View Article
Solution: (3) f (x + y, x - y) = xy Replace x by [x + y ] / 2 and y by [x - y] / 2 f (x , y) = [x2 - y2] / 4 AM = [f (x, y) + f (y, x)] / 2... View Article