Do you think it is possible? Yes it is. All you need is a glass of water and 2 to 4 alkaline batteries. Now read the instructions and do try it at home.
Fill a glass or a cup with water.
Take 2 to 4 alkaline batteries and drop them into the water. Ensure that the batteries are fully covered with water.
Let that setup remain for at least 45 minutes. The chemicals from the batteries will slowly flow out into the water. This will allow the water to be set on fire.
This step is very...