1.

Make a model of a fire extinguisher. Place a short candle and a slightly taller candle in a small dish filled with baking soda. Place the dish at the bottom of a large bowl. Light both the candles. Then pour vinegar into the dish of baking soda. Take care. Do not pour vinegar on the candles. Observe the foaming reaction. What happens to the candles? Why? In what order?

Answer»


Answer :We will observe that the Candle gets extinguished as the SUPPLY of oxygen is cut off DUE to THEPRODUCTION of foam.The smaller candle is effected by the foam prior to the LONGER candle, so it gets extinguishes first.


Discussion

No Comment Found