Question

What are the materials required for the experiment to show the chemical decomposition of water? Write the procedure of the experiment. Name the products which we get in this reaction.

Answer 1

• Water can be decomposed using electrolysis.
  
• Materials required are Pencils, electrolytic cells, batteries, distilled water and cardboard.
• Procedure: 1. Fill the beaker or glass with warm water.

2. Put 2 sharp pencils as electrodes.

3. Connect each pencil to the battery.

4. Wrap the wire around the graphite of each pencil and connect the wires to the battery.

• Products formed are Hydrogen gas and oxygen gas.