Construct and display the ball and stick models of some hydrocarbons.

Arrange the objects as shown in the figure and conduct the experiment. Based on your observations, what is the conclusion that you reach at?

Lighted candles of different heights are arranged in a trough as shown in the figure. Pour a

saturated solution of sodium bicarbonate (baking soda) into the trough. Add a little vinegar to the solution. What do you observe? Give reasons for the observation.

Making a fire extinguisher.

Arrange the apparatus as shown in Figure (a). Add the vinegar contained in the test tube to the sodium bicarbonate (baking soda) solution (Figure (b)) by tilting the wash bottle. Introduce the resultant gas to a candle flame. Record your observation. What is your inference?

Prepare a write up on the topic ‘Importance of organic chemistry’ and present it in your class.