Science Project The cockroach repellent pepper spray. This project types trial The objective To test the efficacy of liquid expelled from Pepper Roach. And to compare the ratio of liquid expelled from Pepper Roach. A method of operation Cayenne pepper brings out thoroughly. Separate containers in different amounts in the amount of 20 grams, 30 grams and 40 grams respectively and then extracted with ethanol (Ethanol) or ethyl alcohol (Ethyl alcohol) into the container, put pepper into containers of 100 ml of fermented ingredients. all one day be a solution with a concentration of pepper differ
on the trial. The results showed that Cockroaches die every concentration But dying in different time. The solution put pepper 20 grams dead in eight minutes, the solution put pepper 30 grams dead in 4 minutes and 40 grams of water, put the pepper dead in just 1.30 minutes.
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