Question

Consider a boy on a trolley and throws a ball with speed 20 m per second at an angle of 37 degree with respect to trolley which moves horizontally with a speed 10 M per second....

Answer 1

1) Determine the pH of five fruit juices

2) Burn a magnesium ribbon and dissolve the residue in water. Explain the reactions with

equations.

3) Principle behind Electrolysis of water