Monthly Archives: June 2015

We had seen earlier that CO2 displaces air in a glass and the candle goes off. Let us see,  what happens when candle burns in air. We will do a very simple experiment. For this we need  a tall glass, … Continue reading →

When you open a bottle of coke, bubbles come out of the water. The gas that comes out is Carbon-di-oxide CO2. CO2 can be produced by adding some acid to lime stone, or some acid to soda/soda-bi-carb. When we burn … Continue reading →