Draw the diagram that showing the reaction of zinc granules with dll. HCI and testing hydrogen gas by a burning matchstick.

Draw the diagram that showing the reaction of Na_2CO_3 with dll. HCl and testing of evolved gas.

Draw the diagram of the apparatus to show that acid solution in water conducts electricity. label the following parts : (i) Dil. HCI solution (ii) Rubber cork. OR Draw the diagram of arrangement of the apparatus to show the reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning, Label the following parts : (i) Test tube (ii) Soap solution.

Draw the diagram of arrangement of the apparatus to show the reaction of zinc granules with blue sulphuric acid and testing hydrogen gas by burning. Label the following parts : (i) Test tube (ii) Soap solution.