Mitaali a class 10 student wanted to study the speed of

Last updated: 6/12/2023

Mitaali a class 10 student wanted to study the speed of reactions of different acids with zinc metal For this she conducted the following experiments using zinc metal in excess Acid used 100 mL of 0 2 mol L HCI 100 mL of 0 2 mol L H SO III 100 mL of 0 2 mol L CH COOH She measured the volume of H gas produced at regular time intervals and summarised her results in a graphical form Experiment I Which of the following graphs best represents the results obtained in experiments I II and III A C Volume of H cm Volume of H cm II 1 11 III Time s Time s 111 B D Volume of Hycm Volume of Hy cm II III Time s II Time s III